489990474 has 12 divisors (see below), whose sum is σ = 1061646066. Its totient is φ = 163330152.

The previous prime is 489990443. The next prime is 489990503. The reversal of 489990474 is 474099984.

It is a happy number.

489990474 is a `hidden beast` number, since 4 + 89 + 9 + 90 + 474 = 666.

It can be written as a sum of positive squares in only one way, i.e., 328878225 + 161112249 = 18135^2 + 12693^2 .

It is a super-2 number, since 2×489990474² = 480181329221489352, 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 489990474.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13610829 + ... + 13610864.

Almost surely, 2^489990474 is an apocalyptic number.

489990474 is an abundant number, since it is smaller than the sum of its proper divisors (571655592).

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

489990474 is a wasteful number, since it uses less digits than its factorization.

489990474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27221701 (or 27221698 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 489990474 is about 22135.7284497258. The cubic root of 489990474 is about 788.3684074025.

The spelling of 489990474 in words is "four hundred eighty-nine million, nine hundred ninety thousand, four hundred seventy-four".