2185039 has 4 divisors (see below), whose sum is σ = 2209680. Its totient is φ = 2160400.

The previous prime is 2185037. The next prime is 2185091. The reversal of 2185039 is 9305812.

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

It is a cyclic number.

It is not a de Polignac number, because 2185039 - 2¹ = 2185037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2184998 and 2185016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185033) 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, 12187 + ... + 12364.

It is an arithmetic number, because the mean of its divisors is an integer number (552420).

2^2185039 is an apocalyptic number.

2185039 is a deficient number, since it is larger than the sum of its proper divisors (24641).

2185039 is an equidigital number, since it uses as much as digits as its factorization.

2185039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24640.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2185039 is about 1478.1877417974. The cubic root of 2185039 is about 129.7636534106.

The spelling of 2185039 in words is "two million, one hundred eighty-five thousand, thirty-nine".