425234646 has 24 divisors (see below), whose sum is σ = 928380024. Its totient is φ = 140662080.

The previous prime is 425234639. The next prime is 425234671. The reversal of 425234646 is 646432524.

425234646 is a `hidden beast` number, since 4 + 2 + 5 + 2 + 3 + 4 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 425234646.

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 11 ways as a sum of consecutive naturals, for example, 87811 + ... + 92526.

It is an arithmetic number, because the mean of its divisors is an integer number (38682501).

Almost surely, 2^425234646 is an apocalyptic number.

425234646 is an abundant number, since it is smaller than the sum of its proper divisors (503145378).

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

425234646 is a wasteful number, since it uses less digits than its factorization.

425234646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180476 (or 180473 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 425234646 is about 20621.2183442201. The cubic root of 425234646 is about 751.9856396741.

The spelling of 425234646 in words is "four hundred twenty-five million, two hundred thirty-four thousand, six hundred forty-six".