426461646 has 32 divisors (see below), whose sum is σ = 950211360. Its totient is φ = 126693504.

The previous prime is 426461587. The next prime is 426461647. The reversal of 426461646 is 646164624.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426461647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92005 + ... + 96528.

It is an arithmetic number, because the mean of its divisors is an integer number (29694105).

Almost surely, 2^426461646 is an apocalyptic number.

426461646 is an abundant number, since it is smaller than the sum of its proper divisors (523749714).

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

426461646 is a wasteful number, since it uses less digits than its factorization.

426461646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188580.

The product of its digits is 165888, while the sum is 39.

The square root of 426461646 is about 20650.9478232840. The cubic root of 426461646 is about 752.7082213894.

The spelling of 426461646 in words is "four hundred twenty-six million, four hundred sixty-one thousand, six hundred forty-six".