397192848 has 80 divisors (see below), whose sum is σ = 1118470080. Its totient is φ = 120724992.

The previous prime is 397192847. The next prime is 397192877. The reversal of 397192848 is 848291793.

It is a super-2 number, since 2×397192848² = 315524317004702208, which contains 22 as substring.

Its product of digits (870912) is a multiple of the sum of its prime factors (7776).

It is a self number, because there is not a number n which added to its sum of digits gives 397192848.

It is not an unprimeable number, because it can be changed into a prime (397192843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47958 + ... + 55626.

It is an arithmetic number, because the mean of its divisors is an integer number (13980876).

Almost surely, 2^397192848 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 397192848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559235040).

397192848 is an abundant number, since it is smaller than the sum of its proper divisors (721277232).

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

397192848 is a wasteful number, since it uses less digits than its factorization.

397192848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7776 (or 7770 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 397192848 is about 19929.6976394525. The cubic root of 397192848 is about 735.0786458489.

The spelling of 397192848 in words is "three hundred ninety-seven million, one hundred ninety-two thousand, eight hundred forty-eight".