38380392 has 56 divisors (see below), whose sum is σ = 107911890. Its totient is φ = 12791520.

The previous prime is 38380367. The next prime is 38380393. The reversal of 38380392 is 29308383.

It can be written as a sum of positive squares in only one way, i.e., 35928036 + 2452356 = 5994^2 + 1566^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (38380393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2542 + ... + 9122.

Almost surely, 2^38380392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38380392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53955945).

38380392 is an abundant number, since it is smaller than the sum of its proper divisors (69531498).

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

38380392 is an equidigital number, since it uses as much as digits as its factorization.

38380392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605 (or 6586 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 38380392 is about 6195.1910382167. The cubic root of 38380392 is about 337.3156326366.

The spelling of 38380392 in words is "thirty-eight million, three hundred eighty thousand, three hundred ninety-two".