799617 has 32 divisors (see below), whose sum is σ = 1370880. Its totient is φ = 403200.

The previous prime is 799613. The next prime is 799619. The reversal of 799617 is 716997.

It is not a de Polignac number, because 799617 - 2² = 799613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (799613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7867 + ... + 7967.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2⁷⁹⁹⁶¹⁷ is an apocalyptic number.

It is an amenable number.

799617 is a deficient number, since it is larger than the sum of its proper divisors (571263).

799617 is a wasteful number, since it uses less digits than its factorization.

799617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153.

The product of its digits is 23814, while the sum is 39.

The square root of 799617 is about 894.2130618594. The cubic root of 799617 is about 92.8169599031.

799617 divided by its sum of digits (39) gives a triangular number (20503 = T₂₀₂).

The spelling of 799617 in words is "seven hundred ninety-nine thousand, six hundred seventeen".