428597944 has 16 divisors (see below), whose sum is σ = 811579320. Its totient is φ = 212176800.

The previous prime is 428597933. The next prime is 428597951. The reversal of 428597944 is 449795824.

It is a super-3 number, since 3×428597944³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 428597891 and 428597900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264414 + ... + 266029.

Almost surely, 2^428597944 is an apocalyptic number.

It is an amenable number.

428597944 is a deficient number, since it is larger than the sum of its proper divisors (382981376).

428597944 is a wasteful number, since it uses less digits than its factorization.

428597944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530550 (or 530546 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 428597944 is about 20702.6071788072. The cubic root of 428597944 is about 753.9629895504.

The spelling of 428597944 in words is "four hundred twenty-eight million, five hundred ninety-seven thousand, nine hundred forty-four".