899189846 has 4 divisors (see below), whose sum is σ = 1348784772. Its totient is φ = 449594922.

The previous prime is 899189833. The next prime is 899189849. The reversal of 899189846 is 648981998.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899189849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224797460 + ... + 224797463.

It is an arithmetic number, because the mean of its divisors is an integer number (337196193).

Almost surely, 2^899189846 is an apocalyptic number.

899189846 is a deficient number, since it is larger than the sum of its proper divisors (449594926).

899189846 is a wasteful number, since it uses less digits than its factorization.

899189846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449594925.

The product of its digits is 8957952, while the sum is 62.

The square root of 899189846 is about 29986.4943933098. The cubic root of 899189846 is about 965.1995957510.

The spelling of 899189846 in words is "eight hundred ninety-nine million, one hundred eighty-nine thousand, eight hundred forty-six".