899243 has 4 divisors (see below), whose sum is σ = 903000. Its totient is φ = 895488.

The previous prime is 899237. The next prime is 899263. The reversal of 899243 is 342998.

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

It is a cyclic number.

It is not a de Polignac number, because 899243 - 2⁶ = 899179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899233) 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, 1493 + ... + 2006.

It is an arithmetic number, because the mean of its divisors is an integer number (225750).

2⁸⁹⁹²⁴³ is an apocalyptic number.

899243 is a deficient number, since it is larger than the sum of its proper divisors (3757).

899243 is a wasteful number, since it uses less digits than its factorization.

899243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756.

The product of its digits is 15552, while the sum is 35.

The square root of 899243 is about 948.2842400884. The cubic root of 899243 is about 96.5218614059.

The spelling of 899243 in words is "eight hundred ninety-nine thousand, two hundred forty-three".