8920331 has 4 divisors (see below), whose sum is σ = 10194672. Its totient is φ = 7645992.

The previous prime is 8920321. The next prime is 8920337. The reversal of 8920331 is 1330298.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8920331 is a prime.

It is a super-2 number, since 2×8920331² = 159144610299122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8920331.

It is not an unprimeable number, because it can be changed into a prime (8920337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637160 + ... + 637173.

It is an arithmetic number, because the mean of its divisors is an integer number (2548668).

Almost surely, 2^8920331 is an apocalyptic number.

8920331 is a deficient number, since it is larger than the sum of its proper divisors (1274341).

8920331 is a wasteful number, since it uses less digits than its factorization.

8920331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274340.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 8920331 is about 2986.6923175982. The cubic root of 8920331 is about 207.3927911851.

The spelling of 8920331 in words is "eight million, nine hundred twenty thousand, three hundred thirty-one".