89337645 has 18 divisors (see below), whose sum is σ = 154961898. Its totient is φ = 47612928.

The previous prime is 89337641. The next prime is 89337673. The reversal of 89337645 is 54673398.

It can be written as a sum of positive squares in 3 ways, for example, as 10536516 + 78801129 = 3246^2 + 8877^2 .

It is not a de Polignac number, because 89337645 - 2² = 89337641 is a prime.

It is a super-3 number, since 3×89337645³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89337645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89337641) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 62701 + ... + 64109.

Almost surely, 2^89337645 is an apocalyptic number.

It is an amenable number.

89337645 is a deficient number, since it is larger than the sum of its proper divisors (65624253).

89337645 is an equidigital number, since it uses as much as digits as its factorization.

89337645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829 (or 1417 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 89337645 is about 9451.8593408916. The cubic root of 89337645 is about 447.0384033789.

Multiplying 89337645 by its sum of digits (45), we get a square (4020194025 = 63405²).

89337645 divided by its sum of digits (45) gives a square (1985281 = 1409²).

The spelling of 89337645 in words is "eighty-nine million, three hundred thirty-seven thousand, six hundred forty-five".