2190847 has 8 divisors (see below), whose sum is σ = 2263680. Its totient is φ = 2119320.

The previous prime is 2190829. The next prime is 2190857. The reversal of 2190847 is 7480912.

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 2190847 - 2¹¹ = 2188799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190817) 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, 3928 + ... + 4450.

It is an arithmetic number, because the mean of its divisors is an integer number (282960).

2^2190847 is an apocalyptic number.

2190847 is a deficient number, since it is larger than the sum of its proper divisors (72833).

2190847 is an equidigital number, since it uses as much as digits as its factorization.

2190847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2190847 is about 1480.1510058099. The cubic root of 2190847 is about 129.8785255807.

The spelling of 2190847 in words is "two million, one hundred ninety thousand, eight hundred forty-seven".