89941613 has 4 divisors (see below), whose sum is σ = 90069180. Its totient is φ = 89814048.

The previous prime is 89941603. The next prime is 89941619. The reversal of 89941613 is 31614998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58782889 + 31158724 = 7667^2 + 5582^2 .

It is a cyclic number.

It is not a de Polignac number, because 89941613 - 2⁶ = 89941549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89941619) 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, 62720 + ... + 64137.

It is an arithmetic number, because the mean of its divisors is an integer number (22517295).

Almost surely, 2^89941613 is an apocalyptic number.

It is an amenable number.

89941613 is a deficient number, since it is larger than the sum of its proper divisors (127567).

89941613 is a wasteful number, since it uses less digits than its factorization.

89941613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127566.

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

The square root of 89941613 is about 9483.7552161578. The cubic root of 89941613 is about 448.0435441439.

The spelling of 89941613 in words is "eighty-nine million, nine hundred forty-one thousand, six hundred thirteen".