89944633 has 4 divisors (see below), whose sum is σ = 90087808. Its totient is φ = 89801460.

The previous prime is 89944627. The next prime is 89944639. The reversal of 89944633 is 33644998.

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 an interprime number because it is at equal distance from previous prime (89944627) and next prime (89944639).

It is a cyclic number.

It is not a de Polignac number, because 89944633 - 2⁵ = 89944601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89944639) 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, 70641 + ... + 71902.

It is an arithmetic number, because the mean of its divisors is an integer number (22521952).

Almost surely, 2^89944633 is an apocalyptic number.

It is an amenable number.

89944633 is a deficient number, since it is larger than the sum of its proper divisors (143175).

89944633 is a wasteful number, since it uses less digits than its factorization.

89944633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143174.

The product of its digits is 559872, while the sum is 46.

The square root of 89944633 is about 9483.9144344516. The cubic root of 89944633 is about 448.0485587910.

The spelling of 89944633 in words is "eighty-nine million, nine hundred forty-four thousand, six hundred thirty-three".