89537219 has 4 divisors (see below), whose sum is σ = 89594544. Its totient is φ = 89479896.

The previous prime is 89537213. The next prime is 89537221. The reversal of 89537219 is 91273598.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89537219 - 2⁸ = 89536963 is a prime.

It is a super-2 number, since 2×89537219² = 16033827172507922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89537219.

It is not an unprimeable number, because it can be changed into a prime (89537213) 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, 26252 + ... + 29465.

It is an arithmetic number, because the mean of its divisors is an integer number (22398636).

Almost surely, 2^89537219 is an apocalyptic number.

89537219 is a deficient number, since it is larger than the sum of its proper divisors (57325).

89537219 is a wasteful number, since it uses less digits than its factorization.

89537219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57324.

The product of its digits is 136080, while the sum is 44.

The square root of 89537219 is about 9462.4108450225. The cubic root of 89537219 is about 447.3710398975.

The spelling of 89537219 in words is "eighty-nine million, five hundred thirty-seven thousand, two hundred nineteen".