97214188 has 6 divisors (see below), whose sum is σ = 170124836. Its totient is φ = 48607092.

The previous prime is 97214147. The next prime is 97214191. The reversal of 97214188 is 88141279.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 97214188.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12151770 + ... + 12151777.

Almost surely, 2^97214188 is an apocalyptic number.

It is an amenable number.

97214188 is a deficient number, since it is larger than the sum of its proper divisors (72910648).

97214188 is a wasteful number, since it uses less digits than its factorization.

97214188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24303551 (or 24303549 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 97214188 is about 9859.7255539898. The cubic root of 97214188 is about 459.8080295375.

The spelling of 97214188 in words is "ninety-seven million, two hundred fourteen thousand, one hundred eighty-eight".