426634814 has 4 divisors (see below), whose sum is σ = 639952224. Its totient is φ = 213317406.

The previous prime is 426634763. The next prime is 426634877. The reversal of 426634814 is 418436624.

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

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 as a sum of consecutive naturals, namely, 106658702 + ... + 106658705.

It is an arithmetic number, because the mean of its divisors is an integer number (159988056).

Almost surely, 2^426634814 is an apocalyptic number.

426634814 is a deficient number, since it is larger than the sum of its proper divisors (213317410).

426634814 is a wasteful number, since it uses less digits than its factorization.

426634814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213317409.

The product of its digits is 110592, while the sum is 38.

The square root of 426634814 is about 20655.1401350850. The cubic root of 426634814 is about 752.8100885718.

The spelling of 426634814 in words is "four hundred twenty-six million, six hundred thirty-four thousand, eight hundred fourteen".