2192906 has 8 divisors (see below), whose sum is σ = 3335904. Its totient is φ = 1080940.

The previous prime is 2192899. The next prime is 2192917. The reversal of 2192906 is 6092912.

2192906 is nontrivially palindromic in base 11.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7580 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (416988).

2^2192906 is an apocalyptic number.

2192906 is a deficient number, since it is larger than the sum of its proper divisors (1142998).

2192906 is a wasteful number, since it uses less digits than its factorization.

2192906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15516.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2192906 is about 1480.8463796086. The cubic root of 2192906 is about 129.9192002835.

It can be divided in two parts, 219 and 2906, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2192906 in words is "two million, one hundred ninety-two thousand, nine hundred six".