2192859 has 16 divisors (see below), whose sum is σ = 3271840. Its totient is φ = 1451520.

The previous prime is 2192857. The next prime is 2192863. The reversal of 2192859 is 9582912.

It is not a de Polignac number, because 2192859 - 2¹ = 2192857 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 (2192851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6339 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (204490).

2^2192859 is an apocalyptic number.

2192859 is a deficient number, since it is larger than the sum of its proper divisors (1078981).

2192859 is a wasteful number, since it uses less digits than its factorization.

2192859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 581 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 2192859 is about 1480.8305102205. The cubic root of 2192859 is about 129.9182721018.

The spelling of 2192859 in words is "two million, one hundred ninety-two thousand, eight hundred fifty-nine".