4094538 has 48 divisors (see below), whose sum is σ = 10041120. Its totient is φ = 1106784.

The previous prime is 4094537. The next prime is 4094543. The reversal of 4094538 is 8354904.

It is a junction number, because it is equal to n+sod(n) for n = 4094499 and 4094508.

It is not an unprimeable number, because it can be changed into a prime (4094533) 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 23 ways as a sum of consecutive naturals, for example, 5220 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (209190).

Almost surely, 2^4094538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4094538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5020560).

4094538 is an abundant number, since it is smaller than the sum of its proper divisors (5946582).

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

4094538 is a wasteful number, since it uses less digits than its factorization.

4094538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 4094538 is about 2023.4964788702. The cubic root of 4094538 is about 159.9809612763.

The spelling of 4094538 in words is "four million, ninety-four thousand, five hundred thirty-eight".