97144319 has 8 divisors (see below), whose sum is σ = 98123520. Its totient is φ = 96170400.

The previous prime is 97144309. The next prime is 97144331. The reversal of 97144319 is 91344179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97144319 - 2⁴ = 97144303 is a prime.

It is a super-2 number, since 2×97144319² = 18874037427947522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97144309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42629 + ... + 44849.

It is an arithmetic number, because the mean of its divisors is an integer number (12265440).

Almost surely, 2^97144319 is an apocalyptic number.

97144319 is a deficient number, since it is larger than the sum of its proper divisors (979201).

97144319 is a wasteful number, since it uses less digits than its factorization.

97144319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641.

The product of its digits is 27216, while the sum is 38.

The square root of 97144319 is about 9856.1817657752. The cubic root of 97144319 is about 459.6978466260.

The spelling of 97144319 in words is "ninety-seven million, one hundred forty-four thousand, three hundred nineteen".