8979431 has 2 divisors, whose sum is σ = 8979432. Its totient is φ = 8979430.

The previous prime is 8979427. The next prime is 8979433. The reversal of 8979431 is 1349798.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8979431 - 2² = 8979427 is a prime.

It is a super-2 number, since 2×8979431² = 161260362167522, which contains 22 as substring.

Together with 8979433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8979433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4489715 + 4489716.

It is an arithmetic number, because the mean of its divisors is an integer number (4489716).

Almost surely, 2^8979431 is an apocalyptic number.

8979431 is a deficient number, since it is larger than the sum of its proper divisors (1).

8979431 is an equidigital number, since it uses as much as digits as its factorization.

8979431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 8979431 is about 2996.5698723707. The cubic root of 8979431 is about 207.8497975643.

The spelling of 8979431 in words is "eight million, nine hundred seventy-nine thousand, four hundred thirty-one".