426928305 has 32 divisors (see below), whose sum is σ = 695096064. Its totient is φ = 223727616.

The previous prime is 426928297. The next prime is 426928339. The reversal of 426928305 is 503829624.

It is a happy number.

It is not a de Polignac number, because 426928305 - 2³ = 426928297 is a prime.

It is a super-2 number, since 2×426928305² = 364535555220346050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210657 + ... + 212673.

It is an arithmetic number, because the mean of its divisors is an integer number (21721752).

Almost surely, 2^426928305 is an apocalyptic number.

It is an amenable number.

426928305 is a deficient number, since it is larger than the sum of its proper divisors (268167759).

426928305 is a wasteful number, since it uses less digits than its factorization.

426928305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 426928305 is about 20662.2434648322. The cubic root of 426928305 is about 752.9826735977.

The spelling of 426928305 in words is "four hundred twenty-six million, nine hundred twenty-eight thousand, three hundred five".