97644203 has 4 divisors (see below), whose sum is σ = 100794048. Its totient is φ = 94494360.

The previous prime is 97644193. The next prime is 97644229. The reversal of 97644203 is 30244679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97644203 - 2⁴ = 97644187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97644293) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1574876 + ... + 1574937.

It is an arithmetic number, because the mean of its divisors is an integer number (25198512).

Almost surely, 2^97644203 is an apocalyptic number.

97644203 is a deficient number, since it is larger than the sum of its proper divisors (3149845).

97644203 is a wasteful number, since it uses less digits than its factorization.

97644203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149844.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 97644203 is about 9881.5081338832. The cubic root of 97644203 is about 460.4850004329.

The spelling of 97644203 in words is "ninety-seven million, six hundred forty-four thousand, two hundred three".