320939086 has 16 divisors (see below), whose sum is σ = 521748864. Its totient is φ = 147180384.

The previous prime is 320939083. The next prime is 320939131. The reversal of 320939086 is 680939023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320939081) by changing a digit.

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, 35230 + ... + 43393.

It is an arithmetic number, because the mean of its divisors is an integer number (32609304).

Almost surely, 2^320939086 is an apocalyptic number.

320939086 is a deficient number, since it is larger than the sum of its proper divisors (200809778).

320939086 is a wasteful number, since it uses less digits than its factorization.

320939086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78795.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 320939086 is about 17914.7728425453. The cubic root of 320939086 is about 684.6588145860.

The spelling of 320939086 in words is "three hundred twenty million, nine hundred thirty-nine thousand, eighty-six".