8431479 has 24 divisors (see below), whose sum is σ = 14532720. Its totient is φ = 4817232.

The previous prime is 8431469. The next prime is 8431487. The reversal of 8431479 is 9741348.

It is a happy number.

8431479 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8431479 - 2⁵ = 8431447 is a prime.

8431479 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8431469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1864 + ... + 4509.

It is an arithmetic number, because the mean of its divisors is an integer number (605530).

Almost surely, 2^8431479 is an apocalyptic number.

8431479 is a deficient number, since it is larger than the sum of its proper divisors (6101241).

8431479 is a wasteful number, since it uses less digits than its factorization.

8431479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396 (or 6383 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 8431479 is about 2903.7009143505. The cubic root of 8431479 is about 203.5328845110.

The spelling of 8431479 in words is "eight million, four hundred thirty-one thousand, four hundred seventy-nine".