89593621 has 8 divisors (see below), whose sum is σ = 102161304. Its totient is φ = 77836800.

The previous prime is 89593619. The next prime is 89593631. The reversal of 89593621 is 12639598.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7396 + 89586225 = 86^2 + 9465^2 .

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 89593621 - 2¹ = 89593619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89593631) 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, 202480 + ... + 202921.

It is an arithmetic number, because the mean of its divisors is an integer number (12770163).

Almost surely, 2^89593621 is an apocalyptic number.

It is an amenable number.

89593621 is a deficient number, since it is larger than the sum of its proper divisors (12567683).

89593621 is a wasteful number, since it uses less digits than its factorization.

89593621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405431.

The product of its digits is 116640, while the sum is 43.

The square root of 89593621 is about 9465.3906945250. The cubic root of 89593621 is about 447.4649573592.

The spelling of 89593621 in words is "eighty-nine million, five hundred ninety-three thousand, six hundred twenty-one".