494139594 has 32 divisors (see below), whose sum is σ = 1065516480. Its totient is φ = 151869312.

The previous prime is 494139559. The next prime is 494139599. The reversal of 494139594 is 495931494.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (494139599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76374 + ... + 82590.

It is an arithmetic number, because the mean of its divisors is an integer number (33297390).

Almost surely, 2^494139594 is an apocalyptic number.

494139594 is an abundant number, since it is smaller than the sum of its proper divisors (571376886).

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

494139594 is a wasteful number, since it uses less digits than its factorization.

494139594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254.

The product of its digits is 699840, while the sum is 48.

The square root of 494139594 is about 22229.2508645703. The cubic root of 494139594 is about 790.5873930859.

The spelling of 494139594 in words is "four hundred ninety-four million, one hundred thirty-nine thousand, five hundred ninety-four".