790863 has 4 divisors (see below), whose sum is σ = 1054488. Its totient is φ = 527240.

The previous prime is 790861. The next prime is 790871. The reversal of 790863 is 368097.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 790863 - 2¹ = 790861 is a prime.

It is a D-number.

790863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790861) 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, 131808 + ... + 131813.

It is an arithmetic number, because the mean of its divisors is an integer number (263622).

2⁷⁹⁰⁸⁶³ is an apocalyptic number.

790863 is a deficient number, since it is larger than the sum of its proper divisors (263625).

790863 is a wasteful number, since it uses less digits than its factorization.

790863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263624.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 790863 is about 889.3047846492. The cubic root of 790863 is about 92.4770042666.

It can be divided in two parts, 790 and 863, that added together give a triangular number (1653 = T₅₇).

The spelling of 790863 in words is "seven hundred ninety thousand, eight hundred sixty-three".