2194653 has 8 divisors (see below), whose sum is σ = 2933248. Its totient is φ = 1459584.

The previous prime is 2194639. The next prime is 2194663. The reversal of 2194653 is 3564912.

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

It is not a de Polignac number, because 2194653 - 2²¹ = 97501 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2194653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194613) 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 7 ways as a sum of consecutive naturals, for example, 1476 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (366656).

2^2194653 is an apocalyptic number.

It is an amenable number.

2194653 is a deficient number, since it is larger than the sum of its proper divisors (738595).

2194653 is a wasteful number, since it uses less digits than its factorization.

2194653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763.

The product of its digits is 6480, while the sum is 30.

The square root of 2194653 is about 1481.4361275465. The cubic root of 2194653 is about 129.9536915928.

The spelling of 2194653 in words is "two million, one hundred ninety-four thousand, six hundred fifty-three".