790081 has 4 divisors (see below), whose sum is σ = 792000. Its totient is φ = 788164.

The previous prime is 790063. The next prime is 790087. The reversal of 790081 is 180097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 790081 - 2¹¹ = 788033 is a prime.

It is a super-2 number, since 2×790081² = 1248455973122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61 + ... + 1258.

It is an arithmetic number, because the mean of its divisors is an integer number (198000).

2⁷⁹⁰⁰⁸¹ is an apocalyptic number.

It is an amenable number.

790081 is a deficient number, since it is larger than the sum of its proper divisors (1919).

790081 is a wasteful number, since it uses less digits than its factorization.

790081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 790081 is about 888.8650066236. The cubic root of 790081 is about 92.4465140022.

The spelling of 790081 in words is "seven hundred ninety thousand, eighty-one".