899039 has 4 divisors (see below), whose sum is σ = 916056. Its totient is φ = 882024.

The previous prime is 899009. The next prime is 899051. The reversal of 899039 is 930998.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-899039 is a prime.

It is a super-2 number, since 2×899039² = 1616542247042, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 898993 and 899011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899009) 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, 8429 + ... + 8534.

It is an arithmetic number, because the mean of its divisors is an integer number (229014).

2⁸⁹⁹⁰³⁹ is an apocalyptic number.

899039 is a deficient number, since it is larger than the sum of its proper divisors (17017).

899039 is a wasteful number, since it uses less digits than its factorization.

899039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17016.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 899039 is about 948.1766713013. The cubic root of 899039 is about 96.5145619518.

The spelling of 899039 in words is "eight hundred ninety-nine thousand, thirty-nine".