395679964 has 12 divisors (see below), whose sum is σ = 733171824. Its totient is φ = 186202304.

The previous prime is 395679943. The next prime is 395679983. The reversal of 395679964 is 469976593.

It is a super-2 number, since 2×395679964² = 313125267822082592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 395679899 and 395679908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2909344 + ... + 2909479.

It is an arithmetic number, because the mean of its divisors is an integer number (61097652).

Almost surely, 2^395679964 is an apocalyptic number.

395679964 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

395679964 is a deficient number, since it is larger than the sum of its proper divisors (337491860).

395679964 is a wasteful number, since it uses less digits than its factorization.

395679964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818844 (or 5818842 counting only the distinct ones).

The product of its digits is 11022480, while the sum is 58.

The square root of 395679964 is about 19891.7059097504. The cubic root of 395679964 is about 734.1441680648.

The spelling of 395679964 in words is "three hundred ninety-five million, six hundred seventy-nine thousand, nine hundred sixty-four".