394704161420 has 24 divisors (see below), whose sum is σ = 828903348000. Its totient is φ = 157876977152.

The previous prime is 394704161413. The next prime is 394704161497. The reversal of 394704161420 is 24161407493.

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, 442556 + ... + 992604.

It is an arithmetic number, because the mean of its divisors is an integer number (34537639500).

Almost surely, 2^394704161420 is an apocalyptic number.

It is an amenable number.

394704161420 is an abundant number, since it is smaller than the sum of its proper divisors (434199186580).

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

394704161420 is a wasteful number, since it uses less digits than its factorization.

394704161420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585937 (or 585935 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 394704161420 in words is "three hundred ninety-four billion, seven hundred four million, one hundred sixty-one thousand, four hundred twenty".