489637694 has 24 divisors (see below), whose sum is σ = 920090808. Its totient is φ = 193702320.

The previous prime is 489637679. The next prime is 489637697. The reversal of 489637694 is 496736984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489637697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190892 + ... + 193439.

It is an arithmetic number, because the mean of its divisors is an integer number (38337117).

Almost surely, 2^489637694 is an apocalyptic number.

489637694 is a deficient number, since it is larger than the sum of its proper divisors (430453114).

489637694 is a wasteful number, since it uses less digits than its factorization.

489637694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384360 (or 384353 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 56.

The square root of 489637694 is about 22127.7584495131. The cubic root of 489637694 is about 788.1791606078.

The spelling of 489637694 in words is "four hundred eighty-nine million, six hundred thirty-seven thousand, six hundred ninety-four".