38479857 has 32 divisors (see below), whose sum is σ = 59092992. Its totient is φ = 22063104.

The previous prime is 38479817. The next prime is 38479877. The reversal of 38479857 is 75897483.

It is not a de Polignac number, because 38479857 - 2¹² = 38475761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (38479817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83973 + ... + 84429.

It is an arithmetic number, because the mean of its divisors is an integer number (1846656).

Almost surely, 2^38479857 is an apocalyptic number.

It is an amenable number.

38479857 is a deficient number, since it is larger than the sum of its proper divisors (20613135).

38479857 is a wasteful number, since it uses less digits than its factorization.

38479857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617.

The product of its digits is 1693440, while the sum is 51.

The square root of 38479857 is about 6203.2134414350. The cubic root of 38479857 is about 337.6067722534.

The spelling of 38479857 in words is "thirty-eight million, four hundred seventy-nine thousand, eight hundred fifty-seven".