489563634 has 16 divisors (see below), whose sum is σ = 1119002688. Its totient is φ = 139875312.

The previous prime is 489563621. The next prime is 489563647. The reversal of 489563634 is 436365984.

It is an interprime number because it is at equal distance from previous prime (489563621) and next prime (489563647).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5828097 + ... + 5828180.

It is an arithmetic number, because the mean of its divisors is an integer number (69937668).

Almost surely, 2^489563634 is an apocalyptic number.

489563634 is an abundant number, since it is smaller than the sum of its proper divisors (629439054).

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

489563634 is a wasteful number, since it uses less digits than its factorization.

489563634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11656289.

The product of its digits is 1866240, while the sum is 48.

The square root of 489563634 is about 22126.0849225524. The cubic root of 489563634 is about 788.1394200046.

The spelling of 489563634 in words is "four hundred eighty-nine million, five hundred sixty-three thousand, six hundred thirty-four".