89624385 has 12 divisors (see below), whose sum is σ = 155349012. Its totient is φ = 47799648.

The previous prime is 89624383. The next prime is 89624407. The reversal of 89624385 is 58342698.

It can be written as a sum of positive squares in 2 ways, for example, as 60980481 + 28643904 = 7809^2 + 5352^2 .

It is not a de Polignac number, because 89624385 - 2¹ = 89624383 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1991653 = 89624385 / (8 + 9 + 6 + 2 + 4 + 3 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 89624385.

It is not an unprimeable number, because it can be changed into a prime (89624383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 995782 + ... + 995871.

It is an arithmetic number, because the mean of its divisors is an integer number (12945751).

Almost surely, 2^89624385 is an apocalyptic number.

It is an amenable number.

89624385 is a deficient number, since it is larger than the sum of its proper divisors (65724627).

89624385 is a wasteful number, since it uses less digits than its factorization.

89624385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991664 (or 1991661 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 89624385 is about 9467.0156332394. The cubic root of 89624385 is about 447.5161672425.

It can be divided in two parts, 89624 and 385, that added together give a palindrome (90009).

The spelling of 89624385 in words is "eighty-nine million, six hundred twenty-four thousand, three hundred eighty-five".