4172194 has 16 divisors (see below), whose sum is σ = 6923448. Its totient is φ = 1873152.

The previous prime is 4172183. The next prime is 4172239. The reversal of 4172194 is 4912714.

It can be written as a sum of positive squares in 4 ways, for example, as 2442969 + 1729225 = 1563^2 + 1315^2 .

It is a congruent number.

It is an unprimeable number.

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, 1207 + ... + 3130.

Almost surely, 2^4172194 is an apocalyptic number.

4172194 is a deficient number, since it is larger than the sum of its proper divisors (2751254).

4172194 is a wasteful number, since it uses less digits than its factorization.

4172194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389.

The product of its digits is 2016, while the sum is 28.

The square root of 4172194 is about 2042.5949182351. The cubic root of 4172194 is about 160.9860204160.

The spelling of 4172194 in words is "four million, one hundred seventy-two thousand, one hundred ninety-four".