499851738 has 24 divisors (see below), whose sum is σ = 1083712500. Its totient is φ = 166509504.

The previous prime is 499851701. The next prime is 499851739. The reversal of 499851738 is 837158994.

499851738 is a `hidden beast` number, since 4 + 9 + 98 + 517 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 492706809 + 7144929 = 22197^2 + 2673^2 .

It is not an unprimeable number, because it can be changed into a prime (499851739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22638 + ... + 38886.

Almost surely, 2^499851738 is an apocalyptic number.

499851738 is an abundant number, since it is smaller than the sum of its proper divisors (583860762).

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

499851738 is a wasteful number, since it uses less digits than its factorization.

499851738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17966 (or 17963 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 499851738 is about 22357.3642900947. The cubic root of 499851738 is about 793.6220678104.

The spelling of 499851738 in words is "four hundred ninety-nine million, eight hundred fifty-one thousand, seven hundred thirty-eight".