3438138 has 32 divisors (see below), whose sum is σ = 7584192. Its totient is φ = 1030400.

The previous prime is 3438133. The next prime is 3438139. The reversal of 3438138 is 8318343.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3438133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7228 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (237006).

Almost surely, 2^3438138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3438138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3792096).

3438138 is an abundant number, since it is smaller than the sum of its proper divisors (4146054).

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

3438138 is a wasteful number, since it uses less digits than its factorization.

3438138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its digits is 6912, while the sum is 30.

The square root of 3438138 is about 1854.2216695962. The cubic root of 3438138 is about 150.9296047763.

The spelling of 3438138 in words is "three million, four hundred thirty-eight thousand, one hundred thirty-eight".