872850449 has 8 divisors (see below), whose sum is σ = 881791680. Its totient is φ = 863952336.

The previous prime is 872850409. The next prime is 872850457. The reversal of 872850449 is 944058278.

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-872850449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872850409) 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, 30722 + ... + 51860.

It is an arithmetic number, because the mean of its divisors is an integer number (110223960).

Almost surely, 2^872850449 is an apocalyptic number.

It is an amenable number.

872850449 is a deficient number, since it is larger than the sum of its proper divisors (8941231).

872850449 is a wasteful number, since it uses less digits than its factorization.

872850449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21559.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 872850449 is about 29544.0425297555. The cubic root of 872850449 is about 955.6817218788.

The spelling of 872850449 in words is "eight hundred seventy-two million, eight hundred fifty thousand, four hundred forty-nine".