899946 has 36 divisors (see below), whose sum is σ = 2083302. Its totient is φ = 280704.

The previous prime is 899939. The next prime is 899971. The reversal of 899946 is 649998.

It can be written as a sum of positive squares in 3 ways, for example, as 881721 + 18225 = 939^2 + 135^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5116 + ... + 5288.

2⁸⁹⁹⁹⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041651).

899946 is an abundant number, since it is smaller than the sum of its proper divisors (1183356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899946 is a wasteful number, since it uses less digits than its factorization.

899946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 195 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 899946 is about 948.6548371247. The cubic root of 899946 is about 96.5470074432.

It can be divided in two parts, 89994 and 6, that added together give a square (90000 = 300²).

The spelling of 899946 in words is "eight hundred ninety-nine thousand, nine hundred forty-six".