798615 has 12 divisors (see below), whose sum is σ = 1384344. Its totient is φ = 425904.

The previous prime is 798613. The next prime is 798641. The reversal of 798615 is 516897.

It is not a de Polignac number, because 798615 - 2¹ = 798613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 798615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798613) 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, 8829 + ... + 8918.

It is an arithmetic number, because the mean of its divisors is an integer number (115362).

2⁷⁹⁸⁶¹⁵ is an apocalyptic number.

798615 is a deficient number, since it is larger than the sum of its proper divisors (585729).

798615 is a wasteful number, since it uses less digits than its factorization.

798615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17758 (or 17755 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 798615 is about 893.6526170722. The cubic root of 798615 is about 92.7781740560.

It can be divided in two parts, 7986 and 15, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 798615 in words is "seven hundred ninety-eight thousand, six hundred fifteen".