797970 has 32 divisors (see below), whose sum is σ = 1948608. Its totient is φ = 209088.

The previous prime is 797957. The next prime is 797977. The reversal of 797970 is 79797.

It is a super-2 number, since 2×797970² = 1273512241800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (797977) by changing a digit.

797970 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812 + ... + 2208.

It is an arithmetic number, because the mean of its divisors is an integer number (60894).

2⁷⁹⁷⁹⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974304).

797970 is an abundant number, since it is smaller than the sum of its proper divisors (1150638).

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

797970 is a wasteful number, since it uses less digits than its factorization.

797970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 27783, while the sum is 39.

The square root of 797970 is about 893.2916656949. The cubic root of 797970 is about 92.7531899524.

The spelling of 797970 in words is "seven hundred ninety-seven thousand, nine hundred seventy".