489132836 has 6 divisors (see below), whose sum is σ = 855982470. Its totient is φ = 244566416.

The previous prime is 489132781. The next prime is 489132841. The reversal of 489132836 is 638231984.

It can be written as a sum of positive squares in only one way, i.e., 449694436 + 39438400 = 21206^2 + 6280^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61141601 + ... + 61141608.

It is an arithmetic number, because the mean of its divisors is an integer number (142663745).

Almost surely, 2^489132836 is an apocalyptic number.

It is an amenable number.

489132836 is a deficient number, since it is larger than the sum of its proper divisors (366849634).

489132836 is a wasteful number, since it uses less digits than its factorization.

489132836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122283213 (or 122283211 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 489132836 is about 22116.3477093303. The cubic root of 489132836 is about 787.9081742570.

The spelling of 489132836 in words is "four hundred eighty-nine million, one hundred thirty-two thousand, eight hundred thirty-six".