320462939 has 2 divisors, whose sum is σ = 320462940. Its totient is φ = 320462938.

The previous prime is 320462899. The next prime is 320462941. The reversal of 320462939 is 939264023.

320462939 is nontrivially palindromic in base 6.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320462939 - 2¹² = 320458843 is a prime.

Together with 320462941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320462959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160231469 + 160231470.

It is an arithmetic number, because the mean of its divisors is an integer number (160231470).

Almost surely, 2^320462939 is an apocalyptic number.

320462939 is a deficient number, since it is larger than the sum of its proper divisors (1).

320462939 is an equidigital number, since it uses as much as digits as its factorization.

320462939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 320462939 is about 17901.4786819413. The cubic root of 320462939 is about 684.3200591384.

The spelling of 320462939 in words is "three hundred twenty million, four hundred sixty-two thousand, nine hundred thirty-nine".