4054939 has 4 divisors (see below), whose sum is σ = 4634224. Its totient is φ = 3475656.

The previous prime is 4054933. The next prime is 4054949. The reversal of 4054939 is 9394504.

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 4054939 - 2⁷ = 4054811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4054933) 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, 289632 + ... + 289645.

It is an arithmetic number, because the mean of its divisors is an integer number (1158556).

Almost surely, 2^4054939 is an apocalyptic number.

4054939 is a deficient number, since it is larger than the sum of its proper divisors (579285).

4054939 is an equidigital number, since it uses as much as digits as its factorization.

4054939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579284.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 4054939 is about 2013.6879102781. The cubic root of 4054939 is about 159.4635549898.

The spelling of 4054939 in words is "four million, fifty-four thousand, nine hundred thirty-nine".