38359881 has 12 divisors (see below), whose sum is σ = 63324352. Its totient is φ = 21919896.

The previous prime is 38359877. The next prime is 38359897. The reversal of 38359881 is 18895383.

It is not a de Polignac number, because 38359881 - 2² = 38359877 is a prime.

It is a super-2 number, since 2×38359881² = 2942960940668322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38359831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304381 + ... + 304506.

Almost surely, 2^38359881 is an apocalyptic number.

It is an amenable number.

38359881 is a deficient number, since it is larger than the sum of its proper divisors (24964471).

38359881 is a wasteful number, since it uses less digits than its factorization.

38359881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608900 (or 608897 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 38359881 is about 6193.5354200973. The cubic root of 38359881 is about 337.2555332523.

The spelling of 38359881 in words is "thirty-eight million, three hundred fifty-nine thousand, eight hundred eighty-one".