89387449 has 8 divisors (see below), whose sum is σ = 91999368. Its totient is φ = 86785920.

The previous prime is 89387443. The next prime is 89387461. The reversal of 89387449 is 94478398.

It can be written as a sum of positive squares in 4 ways, for example, as 12299049 + 77088400 = 3507^2 + 8780^2 .

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 89387449 - 2⁷ = 89387321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89387396 and 89387405.

It is not an unprimeable number, because it can be changed into a prime (89387443) 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, 16959 + ... + 21595.

It is an arithmetic number, because the mean of its divisors is an integer number (11499921).

Almost surely, 2^89387449 is an apocalyptic number.

It is an amenable number.

89387449 is a deficient number, since it is larger than the sum of its proper divisors (2611919).

89387449 is a wasteful number, since it uses less digits than its factorization.

89387449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195.

The product of its digits is 1741824, while the sum is 52.

The square root of 89387449 is about 9454.4935877074. The cubic root of 89387449 is about 447.1214596859.

The spelling of 89387449 in words is "eighty-nine million, three hundred eighty-seven thousand, four hundred forty-nine".