2194933 has 8 divisors (see below), whose sum is σ = 2387000. Its totient is φ = 2006208.

The previous prime is 2194931. The next prime is 2194939. The reversal of 2194933 is 3394912.

It can be written as a sum of positive squares in 4 ways, for example, as 101124 + 2093809 = 318^2 + 1447^2 .

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 2194933 - 2¹ = 2194931 is a prime.

It is a Duffinian number.

2194933 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2194895 and 2194904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194931) 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, 643 + ... + 2191.

It is an arithmetic number, because the mean of its divisors is an integer number (298375).

2^2194933 is an apocalyptic number.

It is an amenable number.

2194933 is a deficient number, since it is larger than the sum of its proper divisors (192067).

2194933 is a wasteful number, since it uses less digits than its factorization.

2194933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its digits is 5832, while the sum is 31.

The square root of 2194933 is about 1481.5306274256. The cubic root of 2194933 is about 129.9592179769.

The spelling of 2194933 in words is "two million, one hundred ninety-four thousand, nine hundred thirty-three".