89619413 has 8 divisors (see below), whose sum is σ = 96608568. Its totient is φ = 82643904.

The previous prime is 89619391. The next prime is 89619433. The reversal of 89619413 is 31491698.

It can be written as a sum of positive squares in 4 ways, for example, as 165649 + 89453764 = 407^2 + 9458^2 .

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 89619413 - 2⁶ = 89619349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89619433) 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, 13295 + ... + 18867.

It is an arithmetic number, because the mean of its divisors is an integer number (12076071).

Almost surely, 2^89619413 is an apocalyptic number.

It is an amenable number.

89619413 is a deficient number, since it is larger than the sum of its proper divisors (6989155).

89619413 is a wasteful number, since it uses less digits than its factorization.

89619413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823.

The product of its digits is 46656, while the sum is 41.

The square root of 89619413 is about 9466.7530336436. The cubic root of 89619413 is about 447.5078916245.

The spelling of 89619413 in words is "eighty-nine million, six hundred nineteen thousand, four hundred thirteen".