426651606 has 24 divisors (see below), whose sum is σ = 925656264. Its totient is φ = 142025760.

The previous prime is 426651553. The next prime is 426651607. The reversal of 426651606 is 606156624.

It is a happy number.

426651606 is a `hidden beast` number, since 42 + 6 + 6 + 5 + 1 + 606 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426651607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1876 + ... + 29271.

It is an arithmetic number, because the mean of its divisors is an integer number (38569011).

Almost surely, 2^426651606 is an apocalyptic number.

426651606 is an abundant number, since it is smaller than the sum of its proper divisors (499004658).

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

426651606 is a wasteful number, since it uses less digits than its factorization.

426651606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31916 (or 31913 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 426651606 is about 20655.5466158608. The cubic root of 426651606 is about 752.8199651069.

The spelling of 426651606 in words is "four hundred twenty-six million, six hundred fifty-one thousand, six hundred six".