426931479 has 40 divisors (see below), whose sum is σ = 689525760. Its totient is φ = 261693504.

The previous prime is 426931459. The next prime is 426931481. The reversal of 426931479 is 974139624.

It is a happy number.

426931479 is a `hidden beast` number, since 4 + 269 + 314 + 79 = 666.

It is not a de Polignac number, because 426931479 - 2⁵ = 426931447 is a prime.

It is a super-2 number, since 2×426931479² = 364540975522254882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426931429) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 333162 + ... + 334440.

It is an arithmetic number, because the mean of its divisors is an integer number (17238144).

Almost surely, 2^426931479 is an apocalyptic number.

426931479 is a deficient number, since it is larger than the sum of its proper divisors (262594281).

426931479 is a wasteful number, since it uses less digits than its factorization.

426931479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1612 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 426931479 is about 20662.3202714506. The cubic root of 426931479 is about 752.9845396105.

It can be divided in two parts, 42693147 and 9, that added together give a square (42693156 = 6534²).

The spelling of 426931479 in words is "four hundred twenty-six million, nine hundred thirty-one thousand, four hundred seventy-nine".