38995623 has 6 divisors (see below), whose sum is σ = 56327024. Its totient is φ = 25997076.

The previous prime is 38995597. The next prime is 38995643. The reversal of 38995623 is 32659983.

38995623 is a `hidden beast` number, since 3 + 89 + 9 + 562 + 3 = 666.

It is not a de Polignac number, because 38995623 - 2¹² = 38991527 is a prime.

It is a super-2 number, since 2×38995623² = 3041317226316258, 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 (38995643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2166415 + ... + 2166432.

Almost surely, 2^38995623 is an apocalyptic number.

38995623 is a deficient number, since it is larger than the sum of its proper divisors (17331401).

38995623 is a wasteful number, since it uses less digits than its factorization.

38995623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332853 (or 4332850 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 38995623 is about 6244.6475481007. The cubic root of 38995623 is about 339.1084572178.

The spelling of 38995623 in words is "thirty-eight million, nine hundred ninety-five thousand, six hundred twenty-three".