489993774 has 16 divisors (see below), whose sum is σ = 1031566080. Its totient is φ = 154734840.

The previous prime is 489993689. The next prime is 489993799. The reversal of 489993774 is 477399984.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148982 + ... + 2149209.

It is an arithmetic number, because the mean of its divisors is an integer number (64472880).

Almost surely, 2^489993774 is an apocalyptic number.

489993774 is an abundant number, since it is smaller than the sum of its proper divisors (541572306).

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

489993774 is a wasteful number, since it uses less digits than its factorization.

489993774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298215.

The product of its digits is 13716864, while the sum is 60.

The square root of 489993774 is about 22135.8029897268. The cubic root of 489993774 is about 788.3701772396.

The spelling of 489993774 in words is "four hundred eighty-nine million, nine hundred ninety-three thousand, seven hundred seventy-four".