394917402 has 16 divisors (see below), whose sum is σ = 861638112. Its totient is φ = 119671920.

The previous prime is 394917377. The next prime is 394917427. The reversal of 394917402 is 204719493.

It is an interprime number because it is at equal distance from previous prime (394917377) and next prime (394917427).

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, 2991733 + ... + 2991864.

It is an arithmetic number, because the mean of its divisors is an integer number (53852382).

Almost surely, 2^394917402 is an apocalyptic number.

394917402 is an abundant number, since it is smaller than the sum of its proper divisors (466720710).

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

394917402 is a wasteful number, since it uses less digits than its factorization.

394917402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983613.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 394917402 is about 19872.5288275046. The cubic root of 394917402 is about 733.6722458715.

The spelling of 394917402 in words is "three hundred ninety-four million, nine hundred seventeen thousand, four hundred two".