797621 has 8 divisors (see below), whose sum is σ = 885600. Its totient is φ = 712240.

The previous prime is 797611. The next prime is 797627. The reversal of 797621 is 126797.

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 797621 - 2⁶ = 797557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (110700).

2⁷⁹⁷⁶²¹ is an apocalyptic number.

It is an amenable number.

797621 is a deficient number, since it is larger than the sum of its proper divisors (87979).

797621 is a wasteful number, since it uses less digits than its factorization.

797621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its digits is 5292, while the sum is 32.

The square root of 797621 is about 893.0962993989. The cubic root of 797621 is about 92.7396658083.

It can be divided in two parts, 7976 and 21, that added together give a palindrome (7997).

The spelling of 797621 in words is "seven hundred ninety-seven thousand, six hundred twenty-one".