790861 has 2 divisors, whose sum is σ = 790862. Its totient is φ = 790860.

The previous prime is 790843. The next prime is 790871. The reversal of 790861 is 168097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697225 + 93636 = 835^2 + 306^2 .

It is a cyclic number.

It is not a de Polignac number, because 790861 - 2⁷ = 790733 is a prime.

It is a super-2 number, since 2×790861² = 1250922242642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (790831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395430 + 395431.

It is an arithmetic number, because the mean of its divisors is an integer number (395431).

2⁷⁹⁰⁸⁶¹ is an apocalyptic number.

It is an amenable number.

790861 is a deficient number, since it is larger than the sum of its proper divisors (1).

790861 is an equidigital number, since it uses as much as digits as its factorization.

790861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 790861 is about 889.3036601746. The cubic root of 790861 is about 92.4769263121.

The spelling of 790861 in words is "seven hundred ninety thousand, eight hundred sixty-one".