320283906 has 16 divisors (see below), whose sum is σ = 640864224. Its totient is φ = 106711904.

The previous prime is 320283883. The next prime is 320283941. The reversal of 320283906 is 609382023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3205 + ... + 25511.

It is an arithmetic number, because the mean of its divisors is an integer number (40054014).

Almost surely, 2^320283906 is an apocalyptic number.

320283906 is an abundant number, since it is smaller than the sum of its proper divisors (320580318).

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

320283906 is a wasteful number, since it uses less digits than its factorization.

320283906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24705.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 320283906 is about 17896.4774746317. The cubic root of 320283906 is about 684.1925990584.

The spelling of 320283906 in words is "three hundred twenty million, two hundred eighty-three thousand, nine hundred six".