426806882 has 4 divisors (see below), whose sum is σ = 640210326. Its totient is φ = 213403440.

The previous prime is 426806819. The next prime is 426806893. The reversal of 426806882 is 288608624.

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

It can be written as a sum of positive squares in only one way, i.e., 415711321 + 11095561 = 20389^2 + 3331^2 .

It is a super-2 number, since 2×426806882² = 364328229045123848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106701719 + ... + 106701722.

Almost surely, 2^426806882 is an apocalyptic number.

426806882 is a deficient number, since it is larger than the sum of its proper divisors (213403444).

426806882 is a wasteful number, since it uses less digits than its factorization.

426806882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213403443.

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 426806882 is about 20659.3049737884. The cubic root of 426806882 is about 752.9112813730.

The spelling of 426806882 in words is "four hundred twenty-six million, eight hundred six thousand, eight hundred eighty-two".