97271900 has 54 divisors (see below), whose sum is σ = 232042440. Its totient is φ = 35367200.

The previous prime is 97271879. The next prime is 97271929. The reversal of 97271900 is 917279.

It is a super-2 number, since 2×97271900² = 18923645059220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8081 + ... + 16119.

Almost surely, 2^97271900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97271900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116021220).

97271900 is an abundant number, since it is smaller than the sum of its proper divisors (134770540).

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

97271900 is a wasteful number, since it uses less digits than its factorization.

97271900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075 (or 8057 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 97271900 is about 9862.6517732302. The cubic root of 97271900 is about 459.8990011405.

The spelling of 97271900 in words is "ninety-seven million, two hundred seventy-one thousand, nine hundred".