89690443 has 8 divisors (see below), whose sum is σ = 92102400. Its totient is φ = 87308328.

The previous prime is 89690441. The next prime is 89690449. The reversal of 89690443 is 34409698.

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 89690443 - 2¹ = 89690441 is a prime.

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 89690443.

It is not an unprimeable number, because it can be changed into a prime (89690441) 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, 1303 + ... + 13456.

It is an arithmetic number, because the mean of its divisors is an integer number (11512800).

Almost surely, 2^89690443 is an apocalyptic number.

89690443 is a deficient number, since it is larger than the sum of its proper divisors (2411957).

89690443 is a wasteful number, since it uses less digits than its factorization.

89690443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14921.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 89690443 is about 9470.5038408735. The cubic root of 89690443 is about 447.6260880824.

The spelling of 89690443 in words is "eighty-nine million, six hundred ninety thousand, four hundred forty-three".