4134438 has 96 divisors (see below), whose sum is σ = 11831040. Its totient is φ = 1010880.

The previous prime is 4134437. The next prime is 4134463. The reversal of 4134438 is 8344314.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4134433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26256 + ... + 26412.

It is an arithmetic number, because the mean of its divisors is an integer number (123240).

Almost surely, 2^4134438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4134438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5915520).

4134438 is an abundant number, since it is smaller than the sum of its proper divisors (7696602).

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

4134438 is a wasteful number, since it uses less digits than its factorization.

4134438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 199 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 4134438 is about 2033.3317486333. The cubic root of 4134438 is about 160.4989373092.

It can be divided in two parts, 413 and 4438, that added together give a triangular number (4851 = T₉₈).

The spelling of 4134438 in words is "four million, one hundred thirty-four thousand, four hundred thirty-eight".