320800494 has 32 divisors (see below), whose sum is σ = 758545920. Its totient is φ = 88496352.

The previous prime is 320800483. The next prime is 320800531. The reversal of 320800494 is 494008023.

It is a happy number.

It is a congruent number.

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, 130474 + ... + 132909.

It is an arithmetic number, because the mean of its divisors is an integer number (23704560).

Almost surely, 2^320800494 is an apocalyptic number.

320800494 is an abundant number, since it is smaller than the sum of its proper divisors (437745426).

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

320800494 is a wasteful number, since it uses less digits than its factorization.

320800494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263424.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 320800494 is about 17910.9043322776. The cubic root of 320800494 is about 684.5602477027.

The spelling of 320800494 in words is "three hundred twenty million, eight hundred thousand, four hundred ninety-four".