494893558 has 4 divisors (see below), whose sum is σ = 742340340. Its totient is φ = 247446778.

The previous prime is 494893541. The next prime is 494893573. The reversal of 494893558 is 855398494.

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

It is a junction number, because it is equal to n+sod(n) for n = 494893499 and 494893508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123723388 + ... + 123723391.

It is an arithmetic number, because the mean of its divisors is an integer number (185585085).

Almost surely, 2^494893558 is an apocalyptic number.

494893558 is a deficient number, since it is larger than the sum of its proper divisors (247446782).

494893558 is a wasteful number, since it uses less digits than its factorization.

494893558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247446781.

The product of its digits is 6220800, while the sum is 55.

The square root of 494893558 is about 22246.2032266182. The cubic root of 494893558 is about 790.9892845969.

The spelling of 494893558 in words is "four hundred ninety-four million, eight hundred ninety-three thousand, five hundred fifty-eight".