838899 has 12 divisors (see below), whose sum is σ = 1283256. Its totient is φ = 526272.

The previous prime is 838897. The next prime is 838909. The reversal of 838899 is 998838.

It is not a de Polignac number, because 838899 - 2¹ = 838897 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (838897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2589 + ... + 2894.

It is an arithmetic number, because the mean of its divisors is an integer number (106938).

2⁸³⁸⁸⁹⁹ is an apocalyptic number.

838899 is a deficient number, since it is larger than the sum of its proper divisors (444357).

838899 is a wasteful number, since it uses less digits than its factorization.

838899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506 (or 5503 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 838899 is about 915.9142973008. The cubic root of 838899 is about 94.3126379231.

The spelling of 838899 in words is "eight hundred thirty-eight thousand, eight hundred ninety-nine".