790244921 has 2 divisors, whose sum is σ = 790244922. Its totient is φ = 790244920.

The previous prime is 790244911. The next prime is 790245023. The reversal of 790244921 is 129442097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416364025 + 373880896 = 20405^2 + 19336^2 .

It is a cyclic number.

It is not a de Polignac number, because 790244921 - 2¹⁸ = 789982777 is a prime.

It is not a weakly prime, because it can be changed into another prime (790244911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395122460 + 395122461.

It is an arithmetic number, because the mean of its divisors is an integer number (395122461).

Almost surely, 2^790244921 is an apocalyptic number.

It is an amenable number.

790244921 is a deficient number, since it is larger than the sum of its proper divisors (1).

790244921 is an equidigital number, since it uses as much as digits as its factorization.

790244921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 790244921 is about 28111.2952565334. The cubic root of 790244921 is about 924.5290696578.

The spelling of 790244921 in words is "seven hundred ninety million, two hundred forty-four thousand, nine hundred twenty-one".