97200280 has 16 divisors (see below), whose sum is σ = 218700720. Its totient is φ = 38880096.

The previous prime is 97200263. The next prime is 97200281. The reversal of 97200280 is 8200279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97200281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214964 + ... + 1215043.

It is an arithmetic number, because the mean of its divisors is an integer number (13668795).

Almost surely, 2^97200280 is an apocalyptic number.

It is an amenable number.

97200280 is an abundant number, since it is smaller than the sum of its proper divisors (121500440).

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

97200280 is a wasteful number, since it uses less digits than its factorization.

97200280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430018 (or 2430014 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 97200280 is about 9859.0202352972. The cubic root of 97200280 is about 459.7861009309.

The spelling of 97200280 in words is "ninety-seven million, two hundred thousand, two hundred eighty".