426401715 has 16 divisors (see below), whose sum is σ = 711906048. Its totient is φ = 217526496.

The previous prime is 426401707. The next prime is 426401753. The reversal of 426401715 is 517104624.

It is not a de Polignac number, because 426401715 - 2³ = 426401707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617629 + ... + 618318.

It is an arithmetic number, because the mean of its divisors is an integer number (44494128).

Almost surely, 2^426401715 is an apocalyptic number.

426401715 is a deficient number, since it is larger than the sum of its proper divisors (285504333).

426401715 is a wasteful number, since it uses less digits than its factorization.

426401715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235978.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 426401715 is about 20649.4967251020. The cubic root of 426401715 is about 752.6729601726.

The spelling of 426401715 in words is "four hundred twenty-six million, four hundred one thousand, seven hundred fifteen".