97327209 has 16 divisors (see below), whose sum is σ = 148450688. Its totient is φ = 55562112.

The previous prime is 97327207. The next prime is 97327231. The reversal of 97327209 is 90272379.

It is not a de Polignac number, because 97327209 - 2¹ = 97327207 is a prime.

It is a super-2 number, since 2×97327209² = 18945171223459362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97327207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33399 + ... + 36195.

It is an arithmetic number, because the mean of its divisors is an integer number (9278168).

Almost surely, 2^97327209 is an apocalyptic number.

It is an amenable number.

97327209 is a deficient number, since it is larger than the sum of its proper divisors (51123479).

97327209 is a wasteful number, since it uses less digits than its factorization.

97327209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 97327209 is about 9865.4553366786. The cubic root of 97327209 is about 459.9861511269.

It can be divided in two parts, 973 and 27209, that added together give a palindrome (28182).

The spelling of 97327209 in words is "ninety-seven million, three hundred twenty-seven thousand, two hundred nine".