38791392 has 96 divisors (see below), whose sum is σ = 106791552. Its totient is φ = 12317184.

The previous prime is 38791391. The next prime is 38791393. The reversal of 38791392 is 29319783.

38791392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38791391) and next prime (38791393).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38791391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237903 + ... + 238065.

It is an arithmetic number, because the mean of its divisors is an integer number (1112412).

Almost surely, 2^38791392 is an apocalyptic number.

38791392 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38791392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53395776).

38791392 is an abundant number, since it is smaller than the sum of its proper divisors (68000160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38791392 is a wasteful number, since it uses less digits than its factorization.

38791392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 272 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 38791392 is about 6228.2735970733. The cubic root of 38791392 is about 338.5154187162.

The spelling of 38791392 in words is "thirty-eight million, seven hundred ninety-one thousand, three hundred ninety-two".