394972795 has 8 divisors (see below), whose sum is σ = 541677024. Its totient is φ = 270838464.

The previous prime is 394972789. The next prime is 394972811. The reversal of 394972795 is 597279493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394972795 is a prime.

It is a super-2 number, since 2×394972795² = 312007017580224050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5642434 + ... + 5642503.

It is an arithmetic number, because the mean of its divisors is an integer number (67709628).

Almost surely, 2^394972795 is an apocalyptic number.

394972795 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

394972795 is a deficient number, since it is larger than the sum of its proper divisors (146704229).

394972795 is a wasteful number, since it uses less digits than its factorization.

394972795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11284949.

The product of its digits is 4286520, while the sum is 55.

The square root of 394972795 is about 19873.9224865148. The cubic root of 394972795 is about 733.7065470583.

The spelling of 394972795 in words is "three hundred ninety-four million, nine hundred seventy-two thousand, seven hundred ninety-five".