4041138 has 16 divisors (see below), whose sum is σ = 8557920. Its totient is φ = 1267776.

The previous prime is 4041137. The next prime is 4041139. The reversal of 4041138 is 8311404.

It is an interprime number because it is at equal distance from previous prime (4041137) and next prime (4041139).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4041133) 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 7 ways as a sum of consecutive naturals, for example, 19708 + ... + 19911.

It is an arithmetic number, because the mean of its divisors is an integer number (534870).

Almost surely, 2^4041138 is an apocalyptic number.

4041138 is an abundant number, since it is smaller than the sum of its proper divisors (4516782).

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

4041138 is a wasteful number, since it uses less digits than its factorization.

4041138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39641.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 4041138 is about 2010.2581923723. The cubic root of 4041138 is about 159.2824377551.

The spelling of 4041138 in words is "four million, forty-one thousand, one hundred thirty-eight".