4243194 has 36 divisors (see below), whose sum is σ = 9717786. Its totient is φ = 1337904.

The previous prime is 4243189. The next prime is 4243199. The reversal of 4243194 is 4913424.

It is an interprime number because it is at equal distance from previous prime (4243189) and next prime (4243199).

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 263169 = 1995^2 + 513^2 .

It is not an unprimeable number, because it can be changed into a prime (4243199) 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 17 ways as a sum of consecutive naturals, for example, 6172 + ... + 6824.

Almost surely, 2^4243194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4858893).

4243194 is an abundant number, since it is smaller than the sum of its proper divisors (5474592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4243194 is a wasteful number, since it uses less digits than its factorization.

4243194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 677 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4243194 is about 2059.9014539536. The cubic root of 4243194 is about 161.8940779927.

The spelling of 4243194 in words is "four million, two hundred forty-three thousand, one hundred ninety-four".