38311960 has 32 divisors (see below), whose sum is σ = 86378400. Its totient is φ = 15293440.

The previous prime is 38311943. The next prime is 38311967. The reversal of 38311960 is 6911383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38311967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36645 + ... + 37675.

It is an arithmetic number, because the mean of its divisors is an integer number (2699325).

Almost surely, 2^38311960 is an apocalyptic number.

It is an amenable number.

38311960 is an abundant number, since it is smaller than the sum of its proper divisors (48066440).

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

38311960 is a wasteful number, since it uses less digits than its factorization.

38311960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 38311960 is about 6189.6655806271. The cubic root of 38311960 is about 337.1150361442.

The spelling of 38311960 in words is "thirty-eight million, three hundred eleven thousand, nine hundred sixty".