379642647 has 16 divisors (see below), whose sum is σ = 524260352. Its totient is φ = 244114560.

The previous prime is 379642633. The next prime is 379642663. The reversal of 379642647 is 746246973.

It is not a de Polignac number, because 379642647 - 2⁸ = 379642391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 379642596 and 379642605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379742647) 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, 21903 + ... + 35199.

It is an arithmetic number, because the mean of its divisors is an integer number (32766272).

Almost surely, 2^379642647 is an apocalyptic number.

379642647 is a deficient number, since it is larger than the sum of its proper divisors (144617705).

379642647 is a wasteful number, since it uses less digits than its factorization.

379642647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13638.

The product of its digits is 1524096, while the sum is 48.

The square root of 379642647 is about 19484.4206226411. The cubic root of 379642647 is about 724.0885236883.

The spelling of 379642647 in words is "three hundred seventy-nine million, six hundred forty-two thousand, six hundred forty-seven".