397026 has 48 divisors (see below), whose sum is σ = 1033344. Its totient is φ = 107712.

The previous prime is 397013. The next prime is 397027. The reversal of 397026 is 620793.

397026 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (397027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2830 + ... + 2966.

It is an arithmetic number, because the mean of its divisors is an integer number (21528).

397026 is a Friedman number, since it can be written as 6302*9*7, using all its digits and the basic arithmetic operations.

2³⁹⁷⁰²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516672).

397026 is an abundant number, since it is smaller than the sum of its proper divisors (636318).

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

397026 is a wasteful number, since it uses less digits than its factorization.

397026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 397026 is about 630.0999920648. The cubic root of 397026 is about 73.4975703764.

The spelling of 397026 in words is "three hundred ninety-seven thousand, twenty-six".