489138276 has 24 divisors (see below), whose sum is σ = 1245079584. Its totient is φ = 148223680.

The previous prime is 489138269. The next prime is 489138277. The reversal of 489138276 is 672831984.

It is not an unprimeable number, because it can be changed into a prime (489138277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852665 + ... + 1852928.

It is an arithmetic number, because the mean of its divisors is an integer number (51878316).

Almost surely, 2^489138276 is an apocalyptic number.

It is an amenable number.

489138276 is an abundant number, since it is smaller than the sum of its proper divisors (755941308).

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

489138276 is a wasteful number, since it uses less digits than its factorization.

489138276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705611 (or 3705609 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 489138276 is about 22116.4706949368. The cubic root of 489138276 is about 787.9110952118.

The spelling of 489138276 in words is "four hundred eighty-nine million, one hundred thirty-eight thousand, two hundred seventy-six".