38997256 has 16 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 18869520.

The previous prime is 38997229. The next prime is 38997293. The reversal of 38997256 is 65279983.

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, 78376 + ... + 78871.

It is an arithmetic number, because the mean of its divisors is an integer number (4717440).

Almost surely, 2^38997256 is an apocalyptic number.

It is an amenable number.

38997256 is a deficient number, since it is larger than the sum of its proper divisors (36481784).

38997256 is a wasteful number, since it uses less digits than its factorization.

38997256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157284 (or 157280 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 38997256 is about 6244.7782987068. The cubic root of 38997256 is about 339.1131907096.

The spelling of 38997256 in words is "thirty-eight million, nine hundred ninety-seven thousand, two hundred fifty-six".