2089839 has 8 divisors (see below), whose sum is σ = 2833920. Its totient is φ = 1369496.

The previous prime is 2089831. The next prime is 2089847. The reversal of 2089839 is 9389802.

It is an interprime number because it is at equal distance from previous prime (2089831) and next prime (2089847).

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 2089839 - 2³ = 2089831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2089797 and 2089806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089831) 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, 5727 + ... + 6080.

It is an arithmetic number, because the mean of its divisors is an integer number (354240).

2^2089839 is an apocalyptic number.

2089839 is a deficient number, since it is larger than the sum of its proper divisors (744081).

2089839 is a wasteful number, since it uses less digits than its factorization.

2089839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11869.

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

The square root of 2089839 is about 1445.6275453933. The cubic root of 2089839 is about 127.8510433570.

The spelling of 2089839 in words is "two million, eighty-nine thousand, eight hundred thirty-nine".