38996937 has 32 divisors (see below), whose sum is σ = 68904960. Its totient is φ = 21312720.

The previous prime is 38996921. The next prime is 38996939. The reversal of 38996937 is 73969983.

It is not a de Polignac number, because 38996937 - 2⁴ = 38996921 is a prime.

It is a super-2 number, since 2×38996937² = 3041522190763938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38996939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139 + ... + 8832.

It is an arithmetic number, because the mean of its divisors is an integer number (2153280).

Almost surely, 2^38996937 is an apocalyptic number.

It is an amenable number.

38996937 is a deficient number, since it is larger than the sum of its proper divisors (29908023).

38996937 is a wasteful number, since it uses less digits than its factorization.

38996937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010 (or 9004 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 38996937 is about 6244.7527573155. The cubic root of 38996937 is about 339.1122660513.

The spelling of 38996937 in words is "thirty-eight million, nine hundred ninety-six thousand, nine hundred thirty-seven".