797641 has 4 divisors (see below), whose sum is σ = 859012. Its totient is φ = 736272.

The previous prime is 797633. The next prime is 797647. The reversal of 797641 is 146797.

797641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 462400 + 335241 = 680^2 + 579^2 .

It is a cyclic number.

It is not a de Polignac number, because 797641 - 2³ = 797633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 797597 and 797606.

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 in 3 ways as a sum of consecutive naturals, for example, 30666 + ... + 30691.

It is an arithmetic number, because the mean of its divisors is an integer number (214753).

2⁷⁹⁷⁶⁴¹ is an apocalyptic number.

It is an amenable number.

797641 is a deficient number, since it is larger than the sum of its proper divisors (61371).

797641 is a wasteful number, since it uses less digits than its factorization.

797641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61370.

The product of its digits is 10584, while the sum is 34.

The square root of 797641 is about 893.1074963295. The cubic root of 797641 is about 92.7404409374.

The spelling of 797641 in words is "seven hundred ninety-seven thousand, six hundred forty-one".