397274600 has 24 divisors (see below), whose sum is σ = 923663910. Its totient is φ = 158909760.

The previous prime is 397274599. The next prime is 397274609. The reversal of 397274600 is 6472793.

It can be written as a sum of positive squares in 3 ways, for example, as 381577156 + 15697444 = 19534^2 + 3962^2 .

It is not an unprimeable number, because it can be changed into a prime (397274609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 992987 + ... + 993386.

Almost surely, 2^397274600 is an apocalyptic number.

It is an amenable number.

397274600 is an abundant number, since it is smaller than the sum of its proper divisors (526389310).

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

397274600 is a wasteful number, since it uses less digits than its factorization.

397274600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986389 (or 1986380 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 397274600 is about 19931.7485434670. The cubic root of 397274600 is about 735.1290747756.

The spelling of 397274600 in words is "three hundred ninety-seven million, two hundred seventy-four thousand, six hundred".