97965219 has 16 divisors (see below), whose sum is σ = 147409920. Its totient is φ = 57324960.

The previous prime is 97965199. The next prime is 97965251. The reversal of 97965219 is 91256979.

It is not a de Polignac number, because 97965219 - 2⁵ = 97965187 is a prime.

It is a super-2 number, since 2×97965219² = 19194368267435922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97965269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50227 + ... + 52140.

It is an arithmetic number, because the mean of its divisors is an integer number (9213120).

Almost surely, 2^97965219 is an apocalyptic number.

97965219 is a deficient number, since it is larger than the sum of its proper divisors (49444701).

97965219 is a wasteful number, since it uses less digits than its factorization.

97965219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102410.

The product of its digits is 306180, while the sum is 48.

The square root of 97965219 is about 9897.7380749341. The cubic root of 97965219 is about 460.9890800361.

The spelling of 97965219 in words is "ninety-seven million, nine hundred sixty-five thousand, two hundred nineteen".