320364490 has 32 divisors (see below), whose sum is σ = 612826560. Its totient is φ = 120163584.

The previous prime is 320364461. The next prime is 320364523. The reversal of 320364490 is 94463023.

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, 44781 + ... + 51439.

It is an arithmetic number, because the mean of its divisors is an integer number (19150830).

Almost surely, 2^320364490 is an apocalyptic number.

320364490 is a deficient number, since it is larger than the sum of its proper divisors (292462070).

320364490 is a wasteful number, since it uses less digits than its factorization.

320364490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 320364490 is about 17898.7287258062. The cubic root of 320364490 is about 684.2499756046.

The spelling of 320364490 in words is "three hundred twenty million, three hundred sixty-four thousand, four hundred ninety".