382638775 has 6 divisors (see below), whose sum is σ = 474472112. Its totient is φ = 306111000.

The previous prime is 382638769. The next prime is 382638821. The reversal of 382638775 is 577836283.

It is not a de Polignac number, because 382638775 - 2⁷ = 382638647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7652751 + ... + 7652800.

Almost surely, 2^382638775 is an apocalyptic number.

382638775 is a deficient number, since it is larger than the sum of its proper divisors (91833337).

382638775 is a wasteful number, since it uses less digits than its factorization.

382638775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15305561 (or 15305556 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 382638775 is about 19561.1547460777. The cubic root of 382638775 is about 725.9883626555.

The spelling of 382638775 in words is "three hundred eighty-two million, six hundred thirty-eight thousand, seven hundred seventy-five".