494433688 has 64 divisors (see below), whose sum is σ = 1083456000. Its totient is φ = 207151872.

The previous prime is 494433679. The next prime is 494433697. The reversal of 494433688 is 886334494.

It is an interprime number because it is at equal distance from previous prime (494433679) and next prime (494433697).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868668 + ... + 869236.

It is an arithmetic number, because the mean of its divisors is an integer number (16929000).

Almost surely, 2^494433688 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 494433688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541728000).

494433688 is an abundant number, since it is smaller than the sum of its proper divisors (589022312).

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

494433688 is a wasteful number, since it uses less digits than its factorization.

494433688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 900 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

The square root of 494433688 is about 22235.8649033493. The cubic root of 494433688 is about 790.7442049803.

The spelling of 494433688 in words is "four hundred ninety-four million, four hundred thirty-three thousand, six hundred eighty-eight".