89638413 has 4 divisors (see below), whose sum is σ = 119517888. Its totient is φ = 59758940.

The previous prime is 89638411. The next prime is 89638421. The reversal of 89638413 is 31483698.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 89638413 - 2¹ = 89638411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89638411) 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, 14939733 + ... + 14939738.

It is an arithmetic number, because the mean of its divisors is an integer number (29879472).

Almost surely, 2^89638413 is an apocalyptic number.

It is an amenable number.

89638413 is a deficient number, since it is larger than the sum of its proper divisors (29879475).

89638413 is a wasteful number, since it uses less digits than its factorization.

89638413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29879474.

The product of its digits is 124416, while the sum is 42.

The square root of 89638413 is about 9467.7564924326. The cubic root of 89638413 is about 447.5395144201.

The spelling of 89638413 in words is "eighty-nine million, six hundred thirty-eight thousand, four hundred thirteen".