394486308 has 48 divisors (see below), whose sum is σ = 1024248960. Its totient is φ = 131301792.

The previous prime is 394486283. The next prime is 394486321. The reversal of 394486308 is 803684493.

394486308 is a `hidden beast` number, since 3 + 9 + 4 + 4 + 8 + 630 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83785 + ... + 88367.

It is an arithmetic number, because the mean of its divisors is an integer number (21338520).

Almost surely, 2^394486308 is an apocalyptic number.

It is an amenable number.

394486308 is an abundant number, since it is smaller than the sum of its proper divisors (629762652).

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

394486308 is a wasteful number, since it uses less digits than its factorization.

394486308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393 (or 5385 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 394486308 is about 19861.6793851880. The cubic root of 394486308 is about 733.4051884596.

The spelling of 394486308 in words is "three hundred ninety-four million, four hundred eighty-six thousand, three hundred eight".