790621 has 8 divisors (see below), whose sum is σ = 866264. Its totient is φ = 717120.

The previous prime is 790613. The next prime is 790633. The reversal of 790621 is 126097.

It can be written as a sum of positive squares in 4 ways, for example, as 7396 + 783225 = 86^2 + 885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 790621 - 2³ = 790613 is a prime.

It is a Duffinian number.

790621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (108283).

2⁷⁹⁰⁶²¹ is an apocalyptic number.

It is an amenable number.

790621 is a deficient number, since it is larger than the sum of its proper divisors (75643).

790621 is a wasteful number, since it uses less digits than its factorization.

790621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 790621 is about 889.1687128999. The cubic root of 790621 is about 92.4675708089.

The spelling of 790621 in words is "seven hundred ninety thousand, six hundred twenty-one".