4094939 has 4 divisors (see below), whose sum is σ = 4172256. Its totient is φ = 4017624.

The previous prime is 4094927. The next prime is 4094953. The reversal of 4094939 is 9394904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4094939 - 2⁸ = 4094683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4094999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38579 + ... + 38684.

It is an arithmetic number, because the mean of its divisors is an integer number (1043064).

Almost surely, 2^4094939 is an apocalyptic number.

4094939 is a deficient number, since it is larger than the sum of its proper divisors (77317).

4094939 is an equidigital number, since it uses as much as digits as its factorization.

4094939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77316.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 4094939 is about 2023.5955623592. The cubic root of 4094939 is about 159.9861837028.

The spelling of 4094939 in words is "four million, ninety-four thousand, nine hundred thirty-nine".