499890436 has 12 divisors (see below), whose sum is σ = 879696720. Its totient is φ = 248548520.

The previous prime is 499890431. The next prime is 499890473. The reversal of 499890436 is 634098994.

It is not an unprimeable number, because it can be changed into a prime (499890431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348370 + ... + 349801.

It is an arithmetic number, because the mean of its divisors is an integer number (73308060).

Almost surely, 2^499890436 is an apocalyptic number.

It is an amenable number.

499890436 is a deficient number, since it is larger than the sum of its proper divisors (379806284).

499890436 is a wasteful number, since it uses less digits than its factorization.

499890436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698354 (or 698352 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 499890436 is about 22358.2297152525. The cubic root of 499890436 is about 793.6425477461.

The spelling of 499890436 in words is "four hundred ninety-nine million, eight hundred ninety thousand, four hundred thirty-six".