479431 has 2 divisors, whose sum is σ = 479432. Its totient is φ = 479430.

The previous prime is 479429. The next prime is 479441. The reversal of 479431 is 134974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479431 - 2¹ = 479429 is a prime.

It is a super-2 number, since 2×479431² = 459708167522, which contains 22 as substring.

Together with 479429, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239715 + 239716.

It is an arithmetic number, because the mean of its divisors is an integer number (239716).

2⁴⁷⁹⁴³¹ is an apocalyptic number.

479431 is a deficient number, since it is larger than the sum of its proper divisors (1).

479431 is an equidigital number, since it uses as much as digits as its factorization.

479431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 479431 is about 692.4095608814. The cubic root of 479431 is about 78.2664022614.

The spelling of 479431 in words is "four hundred seventy-nine thousand, four hundred thirty-one".