797949 has 6 divisors (see below), whose sum is σ = 1152606. Its totient is φ = 531960.

The previous prime is 797947. The next prime is 797957. The reversal of 797949 is 949797.

It can be written as a sum of positive squares in only one way, i.e., 416025 + 381924 = 645^2 + 618^2 .

It is not a de Polignac number, because 797949 - 2¹ = 797947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797947) 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, 44322 + ... + 44339.

It is an arithmetic number, because the mean of its divisors is an integer number (192101).

2⁷⁹⁷⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

797949 is a deficient number, since it is larger than the sum of its proper divisors (354657).

797949 is a wasteful number, since it uses less digits than its factorization.

797949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88667 (or 88664 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 797949 is about 893.2799113380. The cubic root of 797949 is about 92.7523762902.

The spelling of 797949 in words is "seven hundred ninety-seven thousand, nine hundred forty-nine".