97009188 has 12 divisors (see below), whose sum is σ = 226354800. Its totient is φ = 32336392.

The previous prime is 97009183. The next prime is 97009207. The reversal of 97009188 is 88190079.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (97009183) 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, 4042038 + ... + 4042061.

It is an arithmetic number, because the mean of its divisors is an integer number (18862900).

Almost surely, 2^97009188 is an apocalyptic number.

It is an amenable number.

97009188 is an abundant number, since it is smaller than the sum of its proper divisors (129345612).

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

97009188 is a wasteful number, since it uses less digits than its factorization.

97009188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084106 (or 8084104 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 97009188 is about 9849.3242407792. The cubic root of 97009188 is about 459.4845960176.

The spelling of 97009188 in words is "ninety-seven million, nine thousand, one hundred eighty-eight".