397402200 has 576 divisors, whose sum is σ = 1620833760. Its totient is φ = 89579520.

The previous prime is 397402199. The next prime is 397402219. The reversal of 397402200 is 2204793.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10740582 + ... + 10740618.

Almost surely, 2^397402200 is an apocalyptic number.

397402200 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 397402200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810416880).

397402200 is an abundant number, since it is smaller than the sum of its proper divisors (1223431560).

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

397402200 is a wasteful number, since it uses less digits than its factorization.

397402200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 397402200 is about 19934.9492098676. The cubic root of 397402200 is about 735.2077713320.

Adding to 397402200 its reverse (2204793), we get a palindrome (399606993).

The spelling of 397402200 in words is "three hundred ninety-seven million, four hundred two thousand, two hundred".