2190539 has 8 divisors (see below), whose sum is σ = 2375520. Its totient is φ = 2007936.

The previous prime is 2190533. The next prime is 2190541. The reversal of 2190539 is 9350912.

2190539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2190539 - 2⁴ = 2190523 is a prime.

It is a super-2 number, since 2×2190539² = 9596922221042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (296940).

2^2190539 is an apocalyptic number.

2190539 is a deficient number, since it is larger than the sum of its proper divisors (184981).

2190539 is a wasteful number, since it uses less digits than its factorization.

2190539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 2190539 is about 1480.0469587145. The cubic root of 2190539 is about 129.8724389757.

The spelling of 2190539 in words is "two million, one hundred ninety thousand, five hundred thirty-nine".