489479364 has 108 divisors (see below), whose sum is σ = 1397218732. Its totient is φ = 144270720.

The previous prime is 489479359. The next prime is 489479423. The reversal of 489479364 is 463974984.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 426752964 + 62726400 = 20658^2 + 7920^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 489479364.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 159654 + ... + 162690.

Almost surely, 2^489479364 is an apocalyptic number.

489479364 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489479364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698609366).

489479364 is an abundant number, since it is smaller than the sum of its proper divisors (907739368).

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

489479364 is a wasteful number, since it uses less digits than its factorization.

489479364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3090 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 489479364 is about 22124.1805271969. The cubic root of 489479364 is about 788.0941958393.

It can be divided in two parts, 48947 and 9364, that added together give a triangular number (58311 = T₃₄₁).

The spelling of 489479364 in words is "four hundred eighty-nine million, four hundred seventy-nine thousand, three hundred sixty-four".