38992812 has 12 divisors (see below), whose sum is σ = 90983256. Its totient is φ = 12997600.

The previous prime is 38992799. The next prime is 38992829. The reversal of 38992812 is 21829983.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624689 + ... + 1624712.

It is an arithmetic number, because the mean of its divisors is an integer number (7581938).

Almost surely, 2^38992812 is an apocalyptic number.

It is an amenable number.

38992812 is an abundant number, since it is smaller than the sum of its proper divisors (51990444).

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

38992812 is a wasteful number, since it uses less digits than its factorization.

38992812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249408 (or 3249406 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 38992812 is about 6244.4224712939. The cubic root of 38992812 is about 339.1003088095.

The spelling of 38992812 in words is "thirty-eight million, nine hundred ninety-two thousand, eight hundred twelve".