97039619 has 4 divisors (see below), whose sum is σ = 97106280. Its totient is φ = 96972960.

The previous prime is 97039603. The next prime is 97039643. The reversal of 97039619 is 91693079.

It is a happy number.

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 97039619 - 2⁴ = 97039603 is a prime.

It is a super-2 number, since 2×97039619² = 18833375311330322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97039619.

It is not an unprimeable number, because it can be changed into a prime (97035619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31097 + ... + 34074.

It is an arithmetic number, because the mean of its divisors is an integer number (24276570).

Almost surely, 2^97039619 is an apocalyptic number.

97039619 is a deficient number, since it is larger than the sum of its proper divisors (66661).

97039619 is a wasteful number, since it uses less digits than its factorization.

97039619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66660.

The product of its (nonzero) digits is 91854, while the sum is 44.

The square root of 97039619 is about 9850.8689464433. The cubic root of 97039619 is about 459.5326365321.

The spelling of 97039619 in words is "ninety-seven million, thirty-nine thousand, six hundred nineteen".