89880449 has 8 divisors (see below), whose sum is σ = 92375712. Its totient is φ = 87403680.

The previous prime is 89880407. The next prime is 89880463. The reversal of 89880449 is 94408898.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89880449 is a prime.

It is a super-2 number, since 2×89880449² = 16156990224883202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89880397 and 89880406.

It is not an unprimeable number, because it can be changed into a prime (85880449) 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, 5534 + ... + 14504.

It is an arithmetic number, because the mean of its divisors is an integer number (11546964).

Almost surely, 2^89880449 is an apocalyptic number.

It is an amenable number.

89880449 is a deficient number, since it is larger than the sum of its proper divisors (2495263).

89880449 is a wasteful number, since it uses less digits than its factorization.

89880449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9247.

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 89880449 is about 9480.5299957334. The cubic root of 89880449 is about 447.9419584272.

The spelling of 89880449 in words is "eighty-nine million, eight hundred eighty thousand, four hundred forty-nine".