4163994 has 32 divisors (see below), whose sum is σ = 9576000. Its totient is φ = 1339632.

The previous prime is 4163987. The next prime is 4164007. The reversal of 4163994 is 4993614.

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 15 ways as a sum of consecutive naturals, for example, 237 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (299250).

Almost surely, 2^4163994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4163994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4788000).

4163994 is an abundant number, since it is smaller than the sum of its proper divisors (5412006).

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

4163994 is a wasteful number, since it uses less digits than its factorization.

4163994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2693 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 4163994 is about 2040.5866803447. The cubic root of 4163994 is about 160.8804843246.

The spelling of 4163994 in words is "four million, one hundred sixty-three thousand, nine hundred ninety-four".