89945449 has 16 divisors (see below), whose sum is σ = 104333760. Its totient is φ = 76680000.

The previous prime is 89945437. The next prime is 89945497. The reversal of 89945449 is 94454998.

It is a cyclic number.

It is not a de Polignac number, because 89945449 - 2⁷ = 89945321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89945396 and 89945405.

It is not an unprimeable number, because it can be changed into a prime (89945549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18979 + ... + 23239.

It is an arithmetic number, because the mean of its divisors is an integer number (6520860).

Almost surely, 2^89945449 is an apocalyptic number.

It is an amenable number.

89945449 is a deficient number, since it is larger than the sum of its proper divisors (14388311).

89945449 is a wasteful number, since it uses less digits than its factorization.

89945449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392.

The product of its digits is 1866240, while the sum is 52.

The square root of 89945449 is about 9483.9574545651. The cubic root of 89945449 is about 448.0499137228.

The spelling of 89945449 in words is "eighty-nine million, nine hundred forty-five thousand, four hundred forty-nine".