799960489 has 4 divisors (see below), whose sum is σ = 804105556. Its totient is φ = 795815424.

The previous prime is 799960423. The next prime is 799960537. The reversal of 799960489 is 984069997.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 189475225 + 610485264 = 13765^2 + 24708^2 .

It is a cyclic number.

It is not a de Polignac number, because 799960489 - 2¹³ = 799952297 is a prime.

It is a super-2 number, since 2×799960489² = 1279873567922238242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799160489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072244 + ... + 2072629.

It is an arithmetic number, because the mean of its divisors is an integer number (201026389).

Almost surely, 2^799960489 is an apocalyptic number.

It is an amenable number.

799960489 is a deficient number, since it is larger than the sum of its proper divisors (4145067).

799960489 is a wasteful number, since it uses less digits than its factorization.

799960489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145066.

The product of its (nonzero) digits is 8817984, while the sum is 61.

The square root of 799960489 is about 28283.5727764369. The cubic root of 799960489 is about 928.3024836529.

The spelling of 799960489 in words is "seven hundred ninety-nine million, nine hundred sixty thousand, four hundred eighty-nine".