426634574 has 4 divisors (see below), whose sum is σ = 639951864. Its totient is φ = 213317286.

The previous prime is 426634547. The next prime is 426634597. The reversal of 426634574 is 475436624.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×426634574² = 364034119464322952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106658642 + ... + 106658645.

It is an arithmetic number, because the mean of its divisors is an integer number (159987966).

Almost surely, 2^426634574 is an apocalyptic number.

426634574 is a deficient number, since it is larger than the sum of its proper divisors (213317290).

426634574 is a wasteful number, since it uses less digits than its factorization.

426634574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213317289.

The product of its digits is 483840, while the sum is 41.

The square root of 426634574 is about 20655.1343253923. The cubic root of 426634574 is about 752.8099474093.

The spelling of 426634574 in words is "four hundred twenty-six million, six hundred thirty-four thousand, five hundred seventy-four".