8449894 has 4 divisors (see below), whose sum is σ = 12674844. Its totient is φ = 4224946.

The previous prime is 8449877. The next prime is 8449907. The reversal of 8449894 is 4989448.

It is a happy number.

8449894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×8449894² = 142801417222472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2112472 + ... + 2112475.

It is an arithmetic number, because the mean of its divisors is an integer number (3168711).

Almost surely, 2^8449894 is an apocalyptic number.

8449894 is a deficient number, since it is larger than the sum of its proper divisors (4224950).

8449894 is a wasteful number, since it uses less digits than its factorization.

8449894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224949.

The product of its digits is 331776, while the sum is 46.

The square root of 8449894 is about 2906.8701381383. The cubic root of 8449894 is about 203.6809539340.

Subtracting from 8449894 its product of digits (331776), we obtain a palindrome (8118118).

The spelling of 8449894 in words is "eight million, four hundred forty-nine thousand, eight hundred ninety-four".