89646433 has 4 divisors (see below), whose sum is σ = 93544128. Its totient is φ = 85748740.

The previous prime is 89646421. The next prime is 89646439. The reversal of 89646433 is 33464698.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33464698 = 2 ⋅16732349.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89646433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89646433.

It is not an unprimeable number, because it can be changed into a prime (89646439) 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, 1948813 + ... + 1948858.

It is an arithmetic number, because the mean of its divisors is an integer number (23386032).

Almost surely, 2^89646433 is an apocalyptic number.

It is an amenable number.

89646433 is a deficient number, since it is larger than the sum of its proper divisors (3897695).

89646433 is a wasteful number, since it uses less digits than its factorization.

89646433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897694.

The product of its digits is 373248, while the sum is 43.

The square root of 89646433 is about 9468.1800257494. The cubic root of 89646433 is about 447.5528612274.

The spelling of 89646433 in words is "eighty-nine million, six hundred forty-six thousand, four hundred thirty-three".