320332477 has 8 divisors (see below), whose sum is σ = 340568064. Its totient is φ = 300622608.

The previous prime is 320332459. The next prime is 320332483. The reversal of 320332477 is 774233023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320332477 - 2⁷ = 320332349 is a prime.

It is a super-2 number, since 2×320332477² = 205225791641911058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320332487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130173 + ... + 132610.

It is an arithmetic number, because the mean of its divisors is an integer number (42571008).

Almost surely, 2^320332477 is an apocalyptic number.

It is an amenable number.

320332477 is a deficient number, since it is larger than the sum of its proper divisors (20235587).

320332477 is a wasteful number, since it uses less digits than its factorization.

320332477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262859.

The product of its (nonzero) digits is 21168, while the sum is 31.

The square root of 320332477 is about 17897.8344220746. The cubic root of 320332477 is about 684.2271832074.

The spelling of 320332477 in words is "three hundred twenty million, three hundred thirty-two thousand, four hundred seventy-seven".