320550969 has 8 divisors (see below), whose sum is σ = 427889952. Its totient is φ = 213456320.

The previous prime is 320550959. The next prime is 320550973. The reversal of 320550969 is 969055023.

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 320550969 - 2²⁷ = 186333241 is a prime.

It is a super-2 number, since 2×320550969² = 205505847453677922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320550959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57999 + ... + 63284.

It is an arithmetic number, because the mean of its divisors is an integer number (53486244).

Almost surely, 2^320550969 is an apocalyptic number.

It is an amenable number.

320550969 is a deficient number, since it is larger than the sum of its proper divisors (107338983).

320550969 is a wasteful number, since it uses less digits than its factorization.

320550969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122167.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 320550969 is about 17903.9372485495. The cubic root of 320550969 is about 684.3827134762.

The spelling of 320550969 in words is "three hundred twenty million, five hundred fifty thousand, nine hundred sixty-nine".