38664395 has 32 divisors (see below), whose sum is σ = 59857920. Its totient is φ = 23264640.

The previous prime is 38664389. The next prime is 38664407. The reversal of 38664395 is 59346683.

It is not a de Polignac number, because 38664395 - 2¹⁰ = 38663371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9434 + ... + 12896.

It is an arithmetic number, because the mean of its divisors is an integer number (1870560).

Almost surely, 2^38664395 is an apocalyptic number.

38664395 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38664395 is a deficient number, since it is larger than the sum of its proper divisors (21193525).

38664395 is a wasteful number, since it uses less digits than its factorization.

38664395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515.

The product of its digits is 466560, while the sum is 44.

The square root of 38664395 is about 6218.0700382032. The cubic root of 38664395 is about 338.1455991883.

The spelling of 38664395 in words is "thirty-eight million, six hundred sixty-four thousand, three hundred ninety-five".