387626885 has 16 divisors (see below), whose sum is σ = 492360960. Its totient is φ = 292144320.

The previous prime is 387626881. The next prime is 387626891. The reversal of 387626885 is 588626783.

It is not a de Polignac number, because 387626885 - 2² = 387626881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387626881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5924 + ... + 28466.

It is an arithmetic number, because the mean of its divisors is an integer number (30772560).

Almost surely, 2^387626885 is an apocalyptic number.

It is an amenable number.

387626885 is a deficient number, since it is larger than the sum of its proper divisors (104734075).

387626885 is a wasteful number, since it uses less digits than its factorization.

387626885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22748.

The product of its digits is 3870720, while the sum is 53.

The square root of 387626885 is about 19688.2423034663. The cubic root of 387626885 is about 729.1294338467.

The spelling of 387626885 in words is "three hundred eighty-seven million, six hundred twenty-six thousand, eight hundred eighty-five".