38400475 has 12 divisors (see below), whose sum is σ = 49153600. Its totient is φ = 29728800.

The previous prime is 38400443. The next prime is 38400491. The reversal of 38400475 is 57400483.

It is not a de Polignac number, because 38400475 - 2⁵ = 38400443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24000 + ... + 25549.

Almost surely, 2^38400475 is an apocalyptic number.

38400475 is a deficient number, since it is larger than the sum of its proper divisors (10753125).

38400475 is a wasteful number, since it uses less digits than its factorization.

38400475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49590 (or 49585 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 38400475 is about 6196.8116802110. The cubic root of 38400475 is about 337.3744571931.

The spelling of 38400475 in words is "thirty-eight million, four hundred thousand, four hundred seventy-five".