8399446 has 8 divisors (see below), whose sum is σ = 13744584. Its totient is φ = 3817920.

The previous prime is 8399441. The next prime is 8399459. The reversal of 8399446 is 6449938.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8399441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190875 + ... + 190918.

It is an arithmetic number, because the mean of its divisors is an integer number (1718073).

Almost surely, 2^8399446 is an apocalyptic number.

8399446 is a deficient number, since it is larger than the sum of its proper divisors (5345138).

8399446 is a wasteful number, since it uses less digits than its factorization.

8399446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381806.

The product of its digits is 186624, while the sum is 43.

The square root of 8399446 is about 2898.1797735820. The cubic root of 8399446 is about 203.2748023474.

The spelling of 8399446 in words is "eight million, three hundred ninety-nine thousand, four hundred forty-six".