2169094 has 4 divisors (see below), whose sum is σ = 3253644. Its totient is φ = 1084546.

The previous prime is 2169073. The next prime is 2169109. The reversal of 2169094 is 4909612.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542272 + ... + 542275.

It is an arithmetic number, because the mean of its divisors is an integer number (813411).

2^2169094 is an apocalyptic number.

2169094 is a deficient number, since it is larger than the sum of its proper divisors (1084550).

2169094 is a wasteful number, since it uses less digits than its factorization.

2169094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084549.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2169094 is about 1472.7844377233. The cubic root of 2169094 is about 129.4472387842.

The spelling of 2169094 in words is "two million, one hundred sixty-nine thousand, ninety-four".