489143232 has 224 divisors, whose sum is σ = 1528876800. Its totient is φ = 153086976.

The previous prime is 489143197. The next prime is 489143233. The reversal of 489143232 is 232341984.

489143232 is a `hidden beast` number, since 489 + 143 + 2 + 32 = 666.

It is a super-2 number, since 2×489143232² = 478522202822811648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489143233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2154703 + ... + 2154929.

Almost surely, 2^489143232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489143232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764438400).

489143232 is an abundant number, since it is smaller than the sum of its proper divisors (1039733568).

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

489143232 is a wasteful number, since it uses less digits than its factorization.

489143232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 304 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 489143232 is about 22116.5827378463. The cubic root of 489143232 is about 787.9137562685.

The spelling of 489143232 in words is "four hundred eighty-nine million, one hundred forty-three thousand, two hundred thirty-two".