379656945 has 12 divisors (see below), whose sum is σ = 658072116. Its totient is φ = 202483680.

The previous prime is 379656941. The next prime is 379656961. The reversal of 379656945 is 549656973.

379656945 is a `hidden beast` number, since 3 + 79 + 6 + 569 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 79709184 + 299947761 = 8928^2 + 17319^2 .

It is not a de Polignac number, because 379656945 - 2² = 379656941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 379656891 and 379656900.

It is not an unprimeable number, because it can be changed into a prime (379656941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4218366 + ... + 4218455.

It is an arithmetic number, because the mean of its divisors is an integer number (54839343).

Almost surely, 2^379656945 is an apocalyptic number.

It is an amenable number.

379656945 is a deficient number, since it is larger than the sum of its proper divisors (278415171).

379656945 is a wasteful number, since it uses less digits than its factorization.

379656945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8436832 (or 8436829 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The square root of 379656945 is about 19484.7875277099. The cubic root of 379656945 is about 724.0976137171.

The spelling of 379656945 in words is "three hundred seventy-nine million, six hundred fifty-six thousand, nine hundred forty-five".