890039 has 8 divisors (see below), whose sum is σ = 941760. Its totient is φ = 839776.

The previous prime is 890027. The next prime is 890053. The reversal of 890039 is 930098.

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

It is a cyclic number.

It is not a de Polignac number, because 890039 - 2⁸ = 889783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 889993 and 890020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (895039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (117720).

2⁸⁹⁰⁰³⁹ is an apocalyptic number.

890039 is a deficient number, since it is larger than the sum of its proper divisors (51721).

890039 is a wasteful number, since it uses less digits than its factorization.

890039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 890039 is about 943.4187829379. The cubic root of 890039 is about 96.1914221630.

The spelling of 890039 in words is "eight hundred ninety thousand, thirty-nine".