494574158 has 16 divisors (see below), whose sum is σ = 800048256. Its totient is φ = 227944800.

The previous prime is 494574139. The next prime is 494574163. The reversal of 494574158 is 851475494.

It is a happy number.

It is a super-2 number, since 2×494574158² = 489207195522817928, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 6083 + ... + 32033.

It is an arithmetic number, because the mean of its divisors is an integer number (50003016).

Almost surely, 2^494574158 is an apocalyptic number.

494574158 is a deficient number, since it is larger than the sum of its proper divisors (305474098).

494574158 is a wasteful number, since it uses less digits than its factorization.

494574158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26699.

The product of its digits is 806400, while the sum is 47.

The square root of 494574158 is about 22239.0233148850. The cubic root of 494574158 is about 790.8190821066.

The spelling of 494574158 in words is "four hundred ninety-four million, five hundred seventy-four thousand, one hundred fifty-eight".