426664602 has 96 divisors (see below), whose sum is σ = 1149482880. Its totient is φ = 111369600.

The previous prime is 426664597. The next prime is 426664621. The reversal of 426664602 is 206466624.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164149 + ... + 166727.

It is an arithmetic number, because the mean of its divisors is an integer number (11973780).

Almost surely, 2^426664602 is an apocalyptic number.

426664602 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 426664602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574741440).

426664602 is an abundant number, since it is smaller than the sum of its proper divisors (722818278).

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

426664602 is a wasteful number, since it uses less digits than its factorization.

426664602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 426664602 is about 20655.8612020898. The cubic root of 426664602 is about 752.8276087743.

The spelling of 426664602 in words is "four hundred twenty-six million, six hundred sixty-four thousand, six hundred two".