89940917 has 4 divisors (see below), whose sum is σ = 98117376. Its totient is φ = 81764460.

The previous prime is 89940899. The next prime is 89940943. The reversal of 89940917 is 71904998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89940917 - 2¹⁰ = 89939893 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 (89940317) 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, 4088213 + ... + 4088234.

It is an arithmetic number, because the mean of its divisors is an integer number (24529344).

Almost surely, 2^89940917 is an apocalyptic number.

It is an amenable number.

89940917 is a deficient number, since it is larger than the sum of its proper divisors (8176459).

89940917 is a wasteful number, since it uses less digits than its factorization.

89940917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176458.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 89940917 is about 9483.7185217614. The cubic root of 89940917 is about 448.0423884345.

The spelling of 89940917 in words is "eighty-nine million, nine hundred forty thousand, nine hundred seventeen".