426700405 has 16 divisors (see below), whose sum is σ = 518120064. Its totient is φ = 337330240.

The previous prime is 426700387. The next prime is 426700411. The reversal of 426700405 is 504007624.

It is not a de Polignac number, because 426700405 - 2²⁷ = 292482677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171027 + ... + 173503.

It is an arithmetic number, because the mean of its divisors is an integer number (32382504).

Almost surely, 2^426700405 is an apocalyptic number.

It is an amenable number.

426700405 is a deficient number, since it is larger than the sum of its proper divisors (91419659).

426700405 is a wasteful number, since it uses less digits than its factorization.

426700405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 426700405 is about 20656.7278386486. The cubic root of 426700405 is about 752.8486656988.

The spelling of 426700405 in words is "four hundred twenty-six million, seven hundred thousand, four hundred five".