789797 has 6 divisors (see below), whose sum is σ = 826182. Its totient is φ = 754952.

The previous prime is 789793. The next prime is 789823. The reversal of 789797 is 797987.

It can be written as a sum of positive squares in only one way, i.e., 763876 + 25921 = 874^2 + 161^2 .

It is not a de Polignac number, because 789797 - 2² = 789793 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 (789793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (137697).

2⁷⁸⁹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

789797 is a deficient number, since it is larger than the sum of its proper divisors (36385).

789797 is a wasteful number, since it uses less digits than its factorization.

789797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539 (or 1516 counting only the distinct ones).

The product of its digits is 222264, while the sum is 47.

The square root of 789797 is about 888.7052379726. The cubic root of 789797 is about 92.4354358316.

The spelling of 789797 in words is "seven hundred eighty-nine thousand, seven hundred ninety-seven".