793621 has 2 divisors, whose sum is σ = 793622. Its totient is φ = 793620.

The previous prime is 793607. The next prime is 793627. The reversal of 793621 is 126397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792100 + 1521 = 890^2 + 39^2 .

It is an emirp because it is prime and its reverse (126397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 793621 - 2⁷ = 793493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 793621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (793627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396810 + 396811.

It is an arithmetic number, because the mean of its divisors is an integer number (396811).

2⁷⁹³⁶²¹ is an apocalyptic number.

It is an amenable number.

793621 is a deficient number, since it is larger than the sum of its proper divisors (1).

793621 is an equidigital number, since it uses as much as digits as its factorization.

793621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 793621 is about 890.8540845728. The cubic root of 793621 is about 92.5843788131.

The spelling of 793621 in words is "seven hundred ninety-three thousand, six hundred twenty-one".