320494808 has 8 divisors (see below), whose sum is σ = 600927780. Its totient is φ = 160247400.

The previous prime is 320494807. The next prime is 320494813. The reversal of 320494808 is 808494023.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320494807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20030918 + ... + 20030933.

Almost surely, 2^320494808 is an apocalyptic number.

It is an amenable number.

320494808 is a deficient number, since it is larger than the sum of its proper divisors (280432972).

320494808 is a wasteful number, since it uses less digits than its factorization.

320494808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40061857 (or 40061853 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 320494808 is about 17902.3687818121. The cubic root of 320494808 is about 684.3427428567.

The spelling of 320494808 in words is "three hundred twenty million, four hundred ninety-four thousand, eight hundred eight".