320924965 has 16 divisors (see below), whose sum is σ = 392403456. Its totient is φ = 251899200.

The previous prime is 320924959. The next prime is 320924969. The reversal of 320924965 is 569429023.

It is not a de Polignac number, because 320924965 - 2⁷ = 320924837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320924969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148684 + ... + 150826.

It is an arithmetic number, because the mean of its divisors is an integer number (24525216).

Almost surely, 2^320924965 is an apocalyptic number.

It is an amenable number.

320924965 is a deficient number, since it is larger than the sum of its proper divisors (71478491).

320924965 is a wasteful number, since it uses less digits than its factorization.

320924965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 320924965 is about 17914.3787221327. The cubic root of 320924965 is about 684.6487730035.

The spelling of 320924965 in words is "three hundred twenty million, nine hundred twenty-four thousand, nine hundred sixty-five".