38272992 has 48 divisors (see below), whose sum is σ = 105759360. Its totient is φ = 12085632.

The previous prime is 38272991. The next prime is 38273017. The reversal of 38272992 is 29927283.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38272991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8668 + ... + 12315.

It is an arithmetic number, because the mean of its divisors is an integer number (2203320).

Almost surely, 2^38272992 is an apocalyptic number.

38272992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38272992 is an abundant number, since it is smaller than the sum of its proper divisors (67486368).

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

38272992 is a wasteful number, since it uses less digits than its factorization.

38272992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21015 (or 21007 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 38272992 is about 6186.5169522115. The cubic root of 38272992 is about 337.0007014810. Note that the first 3 decimals are identical.

The spelling of 38272992 in words is "thirty-eight million, two hundred seventy-two thousand, nine hundred ninety-two".