4091442 has 16 divisors (see below), whose sum is σ = 8447232. Its totient is φ = 1319760.

The previous prime is 4091393. The next prime is 4091459. The reversal of 4091442 is 2441904.

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, 10813 + ... + 11184.

It is an arithmetic number, because the mean of its divisors is an integer number (527952).

Almost surely, 2^4091442 is an apocalyptic number.

4091442 is an abundant number, since it is smaller than the sum of its proper divisors (4355790).

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

4091442 is a wasteful number, since it uses less digits than its factorization.

4091442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22033.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 4091442 is about 2022.7313217528. The cubic root of 4091442 is about 159.9406290137.

The spelling of 4091442 in words is "four million, ninety-one thousand, four hundred forty-two".