397603200 has 192 divisors, whose sum is σ = 1328040000. Its totient is φ = 104540160.

The previous prime is 397603169. The next prime is 397603201. The reversal of 397603200 is 2306793.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397603201) 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, 796551 + ... + 797049.

It is an arithmetic number, because the mean of its divisors is an integer number (6916875).

Almost surely, 2^397603200 is an apocalyptic number.

397603200 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 397603200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664020000).

397603200 is an abundant number, since it is smaller than the sum of its proper divisors (930436800).

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

397603200 is a wasteful number, since it uses less digits than its factorization.

397603200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 397603200 is about 19939.9899699072. The cubic root of 397603200 is about 735.3317027501.

Adding to 397603200 its reverse (2306793), we get a palindrome (399909993).

The spelling of 397603200 in words is "three hundred ninety-seven million, six hundred three thousand, two hundred".