38233881 has 24 divisors (see below), whose sum is σ = 65155584. Its totient is φ = 21142080.

The previous prime is 38233849. The next prime is 38233903. The reversal of 38233881 is 18833283.

38233881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38233881 - 2⁵ = 38233849 is a prime.

It is a super-2 number, since 2×38233881² = 2923659312644322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38233801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7836 + ... + 11741.

It is an arithmetic number, because the mean of its divisors is an integer number (2714816).

Almost surely, 2^38233881 is an apocalyptic number.

38233881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38233881 is a deficient number, since it is larger than the sum of its proper divisors (26921703).

38233881 is a wasteful number, since it uses less digits than its factorization.

38233881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19621 (or 19618 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 38233881 is about 6183.3551571942. The cubic root of 38233881 is about 336.8858691848.

The spelling of 38233881 in words is "thirty-eight million, two hundred thirty-three thousand, eight hundred eighty-one".