394968516 has 24 divisors (see below), whose sum is σ = 953373120. Its totient is φ = 127116192.

The previous prime is 394968499. The next prime is 394968521. The reversal of 394968516 is 615869493.

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, 567136 + ... + 567831.

It is an arithmetic number, because the mean of its divisors is an integer number (39723880).

Almost surely, 2^394968516 is an apocalyptic number.

It is an amenable number.

394968516 is an abundant number, since it is smaller than the sum of its proper divisors (558404604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394968516 is a wasteful number, since it uses less digits than its factorization.

394968516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135003 (or 1135001 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 394968516 is about 19873.8148325881. The cubic root of 394968516 is about 733.7038974736.

The spelling of 394968516 in words is "three hundred ninety-four million, nine hundred sixty-eight thousand, five hundred sixteen".