797646 has 16 divisors (see below), whose sum is σ = 1638864. Its totient is φ = 258624.

The previous prime is 797633. The next prime is 797647. The reversal of 797646 is 646797.

It is a congruent number.

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

797646 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1575 + ... + 2018.

It is an arithmetic number, because the mean of its divisors is an integer number (102429).

2⁷⁹⁷⁶⁴⁶ is an apocalyptic number.

797646 is an abundant number, since it is smaller than the sum of its proper divisors (841218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797646 is a wasteful number, since it uses less digits than its factorization.

797646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635.

The product of its digits is 63504, while the sum is 39.

The square root of 797646 is about 893.1102955403. The cubic root of 797646 is about 92.7406347177.

The spelling of 797646 in words is "seven hundred ninety-seven thousand, six hundred forty-six".