797648 has 10 divisors (see below), whose sum is σ = 1545474. Its totient is φ = 398816.

The previous prime is 797647. The next prime is 797681. The reversal of 797648 is 846797.

It can be written as a sum of positive squares in only one way, i.e., 559504 + 238144 = 748^2 + 488^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24911 + ... + 24942.

2⁷⁹⁷⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

797648 is a deficient number, since it is larger than the sum of its proper divisors (747826).

797648 is a wasteful number, since it uses less digits than its factorization.

797648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49861 (or 49855 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 797648 is about 893.1114152221. Note that the first 3 decimals coincide. The cubic root of 797648 is about 92.7407122296.

The spelling of 797648 in words is "seven hundred ninety-seven thousand, six hundred forty-eight".