38926997 has 12 divisors (see below), whose sum is σ = 41002380. Its totient is φ = 36929088.

The previous prime is 38926981. The next prime is 38927011. The reversal of 38926997 is 79962983.

It can be written as a sum of positive squares in 2 ways, for example, as 21169201 + 17757796 = 4601^2 + 4214^2 .

It is not a de Polignac number, because 38926997 - 2⁴ = 38926981 is a prime.

It is a super-2 number, since 2×38926997² = 3030622190876018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38926907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68129 + ... + 68697.

It is an arithmetic number, because the mean of its divisors is an integer number (3416865).

Almost surely, 2^38926997 is an apocalyptic number.

38926997 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

38926997 is a deficient number, since it is larger than the sum of its proper divisors (2075383).

38926997 is an equidigital number, since it uses as much as digits as its factorization.

38926997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 649 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The square root of 38926997 is about 6239.1503427951. The cubic root of 38926997 is about 338.9094150347.

The spelling of 38926997 in words is "thirty-eight million, nine hundred twenty-six thousand, nine hundred ninety-seven".