89158369 has 4 divisors (see below), whose sum is σ = 89317296. Its totient is φ = 88999444.

The previous prime is 89158357. The next prime is 89158397. The reversal of 89158369 is 96385198.

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 89158369 - 2¹⁷ = 89027297 is a prime.

It is a super-2 number, since 2×89158369² = 15898429525480322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89158309) 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, 78619 + ... + 79744.

It is an arithmetic number, because the mean of its divisors is an integer number (22329324).

Almost surely, 2^89158369 is an apocalyptic number.

It is an amenable number.

89158369 is a deficient number, since it is larger than the sum of its proper divisors (158927).

89158369 is a wasteful number, since it uses less digits than its factorization.

89158369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158926.

The product of its digits is 466560, while the sum is 49.

The square root of 89158369 is about 9442.3709416650. The cubic root of 89158369 is about 446.7391755632.

The spelling of 89158369 in words is "eighty-nine million, one hundred fifty-eight thousand, three hundred sixty-nine".