426820662 has 48 divisors (see below), whose sum is σ = 938141568. Its totient is φ = 140232960.

The previous prime is 426820643. The next prime is 426820687. The reversal of 426820662 is 266028624.

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 453112 + ... + 454052.

It is an arithmetic number, because the mean of its divisors is an integer number (19544616).

Almost surely, 2^426820662 is an apocalyptic number.

426820662 is an abundant number, since it is smaller than the sum of its proper divisors (511320906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426820662 is a wasteful number, since it uses less digits than its factorization.

426820662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 426820662 is about 20659.6384769918. The cubic root of 426820662 is about 752.9193841835.

The spelling of 426820662 in words is "four hundred twenty-six million, eight hundred twenty thousand, six hundred sixty-two".