4054239 has 32 divisors (see below), whose sum is σ = 7232000. Its totient is φ = 2192832.

The previous prime is 4054231. The next prime is 4054247. The reversal of 4054239 is 9324504.

It is an interprime number because it is at equal distance from previous prime (4054231) and next prime (4054247).

It is not a de Polignac number, because 4054239 - 2³ = 4054231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

4054239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4054231) 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 31 ways as a sum of consecutive naturals, for example, 3027 + ... + 4155.

It is an arithmetic number, because the mean of its divisors is an integer number (226000).

Almost surely, 2^4054239 is an apocalyptic number.

4054239 is a deficient number, since it is larger than the sum of its proper divisors (3177761).

4054239 is a wasteful number, since it uses less digits than its factorization.

4054239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4054239 is about 2013.5140923271. The cubic root of 4054239 is about 159.4543784512.

The spelling of 4054239 in words is "four million, fifty-four thousand, two hundred thirty-nine".