428594344 has 64 divisors (see below), whose sum is σ = 883906560. Its totient is φ = 193950720.

The previous prime is 428594291. The next prime is 428594399. The reversal of 428594344 is 443495824.

It is a super-2 number, since 2×428594344² = 367386223417580672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 428594344.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167649 + ... + 1168015.

It is an arithmetic number, because the mean of its divisors is an integer number (13811040).

Almost surely, 2^428594344 is an apocalyptic number.

It is an amenable number.

428594344 is an abundant number, since it is smaller than the sum of its proper divisors (455312216).

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

428594344 is a wasteful number, since it uses less digits than its factorization.

428594344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 694 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The square root of 428594344 is about 20702.5202330538. The cubic root of 428594344 is about 753.9608785787.

The spelling of 428594344 in words is "four hundred twenty-eight million, five hundred ninety-four thousand, three hundred forty-four".