38233920 has 56 divisors (see below), whose sum is σ = 121395744. Its totient is φ = 10195456.

The previous prime is 38233903. The next prime is 38233933. The reversal of 38233920 is 2933283.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18954 + ... + 20873.

Almost surely, 2^38233920 is an apocalyptic number.

38233920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38233920 is an abundant number, since it is smaller than the sum of its proper divisors (83161824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38233920 is a wasteful number, since it uses less digits than its factorization.

38233920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39847 (or 39837 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 38233920 is about 6183.3583108211. The cubic root of 38233920 is about 336.8859837302.

The spelling of 38233920 in words is "thirty-eight million, two hundred thirty-three thousand, nine hundred twenty".