790981 has 4 divisors (see below), whose sum is σ = 794752. Its totient is φ = 787212.

The previous prime is 790969. The next prime is 790991. The reversal of 790981 is 189097.

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, and also an emirpimes, since its reverse is a distinct semiprime: 189097 = 263 ⋅719.

It is a cyclic number.

It is not a de Polignac number, because 790981 - 2¹¹ = 788933 is a prime.

It is a super-2 number, since 2×790981² = 1251301884722, 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 (790961) 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, 1551 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (198688).

2⁷⁹⁰⁹⁸¹ is an apocalyptic number.

It is an amenable number.

790981 is a deficient number, since it is larger than the sum of its proper divisors (3771).

790981 is a wasteful number, since it uses less digits than its factorization.

790981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 790981 is about 889.3711261335. The cubic root of 790981 is about 92.4816033539.

It can be divided in two parts, 790 and 981, that added together give a palindrome (1771).

The spelling of 790981 in words is "seven hundred ninety thousand, nine hundred eighty-one".