397848000 has 336 divisors, whose sum is σ = 1454517792. Its totient is φ = 95744000.

The previous prime is 397847987. The next prime is 397848007. The reversal of 397848000 is 848793.

It is a super-2 number, since 2×397848000² = 316566062208000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 397848000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397848007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2903932 + ... + 2904068.

It is an arithmetic number, because the mean of its divisors is an integer number (4328922).

Almost surely, 2^397848000 is an apocalyptic number.

397848000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397848000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727258896).

397848000 is an abundant number, since it is smaller than the sum of its proper divisors (1056669792).

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

397848000 is a wasteful number, since it uses less digits than its factorization.

397848000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 397848000 is about 19946.1274436919. The cubic root of 397848000 is about 735.4825837208.

The spelling of 397848000 in words is "three hundred ninety-seven million, eight hundred forty-eight thousand".