2194851 has 8 divisors (see below), whose sum is σ = 2944080. Its totient is φ = 1454432.

The previous prime is 2194847. The next prime is 2194879. The reversal of 2194851 is 1584912.

It is a happy number.

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 2194851 - 2² = 2194847 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2194811) 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, 1596 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (368010).

2^2194851 is an apocalyptic number.

2194851 is a deficient number, since it is larger than the sum of its proper divisors (749229).

2194851 is a wasteful number, since it uses less digits than its factorization.

2194851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405.

The product of its digits is 2880, while the sum is 30.

The square root of 2194851 is about 1481.5029530851. The cubic root of 2194851 is about 129.9575995845.

The spelling of 2194851 in words is "two million, one hundred ninety-four thousand, eight hundred fifty-one".