38828992 has 28 divisors (see below), whose sum is σ = 78116176. Its totient is φ = 19146240.

The previous prime is 38828921. The next prime is 38829023. The reversal of 38828992 is 29982883.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 517 + ... + 8827.

Almost surely, 2^38828992 is an apocalyptic number.

38828992 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 38828992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39058088).

38828992 is an abundant number, since it is smaller than the sum of its proper divisors (39287184).

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

38828992 is an equidigital number, since it uses as much as digits as its factorization.

38828992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396 (or 8386 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 38828992 is about 6231.2913589400. The cubic root of 38828992 is about 338.6247562855.

The spelling of 38828992 in words is "thirty-eight million, eight hundred twenty-eight thousand, nine hundred ninety-two".