320046057 has 12 divisors (see below), whose sum is σ = 463779264. Its totient is φ = 212676120.

The previous prime is 320046043. The next prime is 320046079. The reversal of 320046057 is 750640023.

It is a happy number.

It is not a de Polignac number, because 320046057 - 2¹⁸ = 319783913 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 320046057.

It is not an unprimeable number, because it can be changed into a prime (320046007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54373 + ... + 59970.

It is an arithmetic number, because the mean of its divisors is an integer number (38648272).

Almost surely, 2^320046057 is an apocalyptic number.

It is an amenable number.

320046057 is a deficient number, since it is larger than the sum of its proper divisors (143733207).

320046057 is a wasteful number, since it uses less digits than its factorization.

320046057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114660 (or 114657 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 320046057 is about 17889.8311059663. The cubic root of 320046057 is about 684.0231922474.

The spelling of 320046057 in words is "three hundred twenty million, forty-six thousand, fifty-seven".