320966248 has 8 divisors (see below), whose sum is σ = 601811730. Its totient is φ = 160483120.

The previous prime is 320966207. The next prime is 320966249. The reversal of 320966248 is 842669023.

It can be written as a sum of positive squares in only one way, i.e., 162256644 + 158709604 = 12738^2 + 12598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 320966248.

It is not an unprimeable number, because it can be changed into a prime (320966249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060383 + ... + 20060398.

Almost surely, 2^320966248 is an apocalyptic number.

It is an amenable number.

320966248 is a deficient number, since it is larger than the sum of its proper divisors (280845482).

320966248 is a wasteful number, since it uses less digits than its factorization.

320966248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40120787 (or 40120783 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 320966248 is about 17915.5309159399. The cubic root of 320966248 is about 684.6781289242.

The spelling of 320966248 in words is "three hundred twenty million, nine hundred sixty-six thousand, two hundred forty-eight".