499974158 has 16 divisors (see below), whose sum is σ = 768045696. Its totient is φ = 243968760.

The previous prime is 499974149. The next prime is 499974187. The reversal of 499974158 is 851479994.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177743 + ... + 180533.

It is an arithmetic number, because the mean of its divisors is an integer number (48002856).

Almost surely, 2^499974158 is an apocalyptic number.

499974158 is a deficient number, since it is larger than the sum of its proper divisors (268071538).

499974158 is a wasteful number, since it uses less digits than its factorization.

499974158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919.

The product of its digits is 3265920, while the sum is 56.

The square root of 499974158 is about 22360.1019228446. The cubic root of 499974158 is about 793.6868518759.

The spelling of 499974158 in words is "four hundred ninety-nine million, nine hundred seventy-four thousand, one hundred fifty-eight".