1997314200 has 672 divisors, whose sum is σ = 8457196800. Its totient is φ = 428302080.

The previous prime is 1997314183. The next prime is 1997314201. The reversal of 1997314200 is 24137991.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1997314201) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 19391349 + ... + 19391451.

Almost surely, 2^1997314200 is an apocalyptic number.

1997314200 is a gapful number since it is divisible by the number (10) 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 1997314200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4228598400).

1997314200 is an abundant number, since it is smaller than the sum of its proper divisors (6459882600).

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

1997314200 is a wasteful number, since it uses less digits than its factorization.

1997314200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1997314200 is about 44691.3213051483. The cubic root of 1997314200 is about 1259.3568145896.

The spelling of 1997314200 in words is "one billion, nine hundred ninety-seven million, three hundred fourteen thousand, two hundred".