4140234 has 48 divisors (see below), whose sum is σ = 10640448. Its totient is φ = 1181952.

The previous prime is 4140217. The next prime is 4140259. The reversal of 4140234 is 4320414.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 2794 + ... + 4010.

It is an arithmetic number, because the mean of its divisors is an integer number (221676).

Almost surely, 2^4140234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4140234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5320224).

4140234 is an abundant number, since it is smaller than the sum of its proper divisors (6500214).

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

4140234 is a wasteful number, since it uses less digits than its factorization.

4140234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4140234 is about 2034.7564964880. The cubic root of 4140234 is about 160.5739025545.

Adding to 4140234 its reverse (4320414), we get a palindrome (8460648).

The spelling of 4140234 in words is "four million, one hundred forty thousand, two hundred thirty-four".