97321995 has 24 divisors (see below), whose sum is σ = 169416000. Its totient is φ = 51682176.

The previous prime is 97321981. The next prime is 97321997. The reversal of 97321995 is 59912379.

It is a happy number.

It is not a de Polignac number, because 97321995 - 2⁵ = 97321963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 97321995.

It is not an unprimeable number, because it can be changed into a prime (97321997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6231 + ... + 15279.

It is an arithmetic number, because the mean of its divisors is an integer number (7059000).

Almost surely, 2^97321995 is an apocalyptic number.

97321995 is a deficient number, since it is larger than the sum of its proper divisors (72094005).

97321995 is a wasteful number, since it uses less digits than its factorization.

97321995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9299 (or 9296 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 97321995 is about 9865.1910777237. The cubic root of 97321995 is about 459.9779368750.

The spelling of 97321995 in words is "ninety-seven million, three hundred twenty-one thousand, nine hundred ninety-five".