899238 has 8 divisors (see below), whose sum is σ = 1798488. Its totient is φ = 299744.

The previous prime is 899237. The next prime is 899263. The reversal of 899238 is 832998.

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

899238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 899196 and 899205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74931 + ... + 74942.

It is an arithmetic number, because the mean of its divisors is an integer number (224811).

2⁸⁹⁹²³⁸ is an apocalyptic number.

899238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

899238 is a wasteful number, since it uses less digits than its factorization.

899238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149878.

The product of its digits is 31104, while the sum is 39.

The square root of 899238 is about 948.2816037444. The cubic root of 899238 is about 96.5216825109.

The spelling of 899238 in words is "eight hundred ninety-nine thousand, two hundred thirty-eight".