8868931 has 2 divisors, whose sum is σ = 8868932. Its totient is φ = 8868930.

The previous prime is 8868919. The next prime is 8868943. The reversal of 8868931 is 1398688.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (8868919) and next prime (8868943).

It is a cyclic number.

It is not a de Polignac number, because 8868931 - 2⁷ = 8868803 is a prime.

It is a super-2 number, since 2×8868931² = 157315874165522, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (8868971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4434465 + 4434466.

It is an arithmetic number, because the mean of its divisors is an integer number (4434466).

Almost surely, 2^8868931 is an apocalyptic number.

8868931 is the 1884-th centered pentagonal number.

8868931 is a deficient number, since it is larger than the sum of its proper divisors (1).

8868931 is an equidigital number, since it uses as much as digits as its factorization.

8868931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 43.

The square root of 8868931 is about 2978.0750494237. The cubic root of 8868931 is about 206.9936830515.

The spelling of 8868931 in words is "eight million, eight hundred sixty-eight thousand, nine hundred thirty-one".