89520149 has 4 divisors (see below), whose sum is σ = 89974764. Its totient is φ = 89065536.

The previous prime is 89520133. The next prime is 89520161. The reversal of 89520149 is 94102598.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40729924 + 48790225 = 6382^2 + 6985^2 .

It is a cyclic number.

It is not a de Polignac number, because 89520149 - 2⁴ = 89520133 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 (89520449) 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, 227012 + ... + 227405.

It is an arithmetic number, because the mean of its divisors is an integer number (22493691).

Almost surely, 2^89520149 is an apocalyptic number.

It is an amenable number.

89520149 is a deficient number, since it is larger than the sum of its proper divisors (454615).

89520149 is a wasteful number, since it uses less digits than its factorization.

89520149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454614.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 89520149 is about 9461.5088120236. The cubic root of 89520149 is about 447.3426081120.

The spelling of 89520149 in words is "eighty-nine million, five hundred twenty thousand, one hundred forty-nine".