8479631 has 2 divisors, whose sum is σ = 8479632. Its totient is φ = 8479630.

The previous prime is 8479621. The next prime is 8479649. The reversal of 8479631 is 1369748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8479631 - 2²² = 4285327 is a prime.

It is a super-2 number, since 2×8479631² = 143808283792322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8479621) 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, 4239815 + 4239816.

It is an arithmetic number, because the mean of its divisors is an integer number (4239816).

Almost surely, 2^8479631 is an apocalyptic number.

8479631 is a deficient number, since it is larger than the sum of its proper divisors (1).

8479631 is an equidigital number, since it uses as much as digits as its factorization.

8479631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 8479631 is about 2911.9805974628. The cubic root of 8479631 is about 203.9196066025.

The spelling of 8479631 in words is "eight million, four hundred seventy-nine thousand, six hundred thirty-one".