321363490 has 32 divisors (see below), whose sum is σ = 670967424. Its totient is φ = 108535680.

The previous prime is 321363443. The next prime is 321363599. The reversal of 321363490 is 94363123.

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, 29571 + ... + 38950.

It is an arithmetic number, because the mean of its divisors is an integer number (20967732).

Almost surely, 2^321363490 is an apocalyptic number.

321363490 is an abundant number, since it is smaller than the sum of its proper divisors (349603934).

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

321363490 is a wasteful number, since it uses less digits than its factorization.

321363490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68602.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 321363490 is about 17926.6140138064. The cubic root of 321363490 is about 684.9604751024.

The spelling of 321363490 in words is "three hundred twenty-one million, three hundred sixty-three thousand, four hundred ninety".