799490618 has 8 divisors (see below), whose sum is σ = 1240588980. Its totient is φ = 385960960.

The previous prime is 799490617. The next prime is 799490639. The reversal of 799490618 is 816094997.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 702409009 + 97081609 = 26503^2 + 9853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 799490618.

It is not an unprimeable number, because it can be changed into a prime (799490617) 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, 6892103 + ... + 6892218.

Almost surely, 2^799490618 is an apocalyptic number.

799490618 is a deficient number, since it is larger than the sum of its proper divisors (441098362).

799490618 is a wasteful number, since it uses less digits than its factorization.

799490618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784352.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 799490618 is about 28275.2651269621. The cubic root of 799490618 is about 928.1206964063.

The spelling of 799490618 in words is "seven hundred ninety-nine million, four hundred ninety thousand, six hundred eighteen".