397026168 has 96 divisors (see below), whose sum is σ = 1246922880. Its totient is φ = 103118400.

The previous prime is 397026167. The next prime is 397026173. The reversal of 397026168 is 861620793.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397026167) 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, 10563 + ... + 30093.

It is an arithmetic number, because the mean of its divisors is an integer number (12988780).

Almost surely, 2^397026168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397026168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623461440).

397026168 is an abundant number, since it is smaller than the sum of its proper divisors (849896712).

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

397026168 is a wasteful number, since it uses less digits than its factorization.

397026168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19569 (or 19554 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 397026168 is about 19925.5155014870. The cubic root of 397026168 is about 734.9758074318.

It can be divided in two parts, 39 and 7026168, that added together give a palindrome (7026207).

The spelling of 397026168 in words is "three hundred ninety-seven million, twenty-six thousand, one hundred sixty-eight".