494692558 has 4 divisors (see below), whose sum is σ = 742038840. Its totient is φ = 247346278.

The previous prime is 494692547. The next prime is 494692573. The reversal of 494692558 is 855296494.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123673138 + ... + 123673141.

It is an arithmetic number, because the mean of its divisors is an integer number (185509710).

Almost surely, 2^494692558 is an apocalyptic number.

494692558 is a deficient number, since it is larger than the sum of its proper divisors (247346282).

494692558 is a wasteful number, since it uses less digits than its factorization.

494692558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247346281.

The product of its digits is 3110400, while the sum is 52.

The square root of 494692558 is about 22241.6851429922. The cubic root of 494692558 is about 790.8821838727.

The spelling of 494692558 in words is "four hundred ninety-four million, six hundred ninety-two thousand, five hundred fifty-eight".