489957384 has 64 divisors (see below), whose sum is σ = 1401523200. Its totient is φ = 139823424.

The previous prime is 489957361. The next prime is 489957397. The reversal of 489957384 is 483759984.

It is a super-2 number, since 2×489957384² = 480116476272246912, which contains 22 as substring.

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, 264349 + ... + 266195.

It is an arithmetic number, because the mean of its divisors is an integer number (21898800).

Almost surely, 2^489957384 is an apocalyptic number.

It is an amenable number.

489957384 is an abundant number, since it is smaller than the sum of its proper divisors (911565816).

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

489957384 is a wasteful number, since it uses less digits than its factorization.

489957384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442 (or 3438 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The square root of 489957384 is about 22134.9810029284. The cubic root of 489957384 is about 788.3506603243.

The spelling of 489957384 in words is "four hundred eighty-nine million, nine hundred fifty-seven thousand, three hundred eighty-four".