38955983 has 4 divisors (see below), whose sum is σ = 42497448. Its totient is φ = 35414520.

The previous prime is 38955971. The next prime is 38955991.

38955983 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38955983 - 2⁸ = 38955727 is a prime.

It is a super-2 number, since 2×38955983² = 3035137222992578, 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 (38955913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770716 + ... + 1770737.

It is an arithmetic number, because the mean of its divisors is an integer number (10624362).

Almost surely, 2^38955983 is an apocalyptic number.

38955983 is a deficient number, since it is larger than the sum of its proper divisors (3541465).

38955983 is a wasteful number, since it uses less digits than its factorization.

38955983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541464.

The product of its digits is 1166400, while the sum is 50.

The square root of 38955983 is about 6241.4728229802. The cubic root of 38955983 is about 338.9935142612.

The spelling of 38955983 in words is "thirty-eight million, nine hundred fifty-five thousand, nine hundred eighty-three".