3438342 has 32 divisors (see below), whose sum is σ = 7832160. Its totient is φ = 1117440.

The previous prime is 3438313. The next prime is 3438349. The reversal of 3438342 is 2438343.

3438342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438 + ... + 2990.

It is an arithmetic number, because the mean of its divisors is an integer number (244755).

Almost surely, 2^3438342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3438342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3916080).

3438342 is an abundant number, since it is smaller than the sum of its proper divisors (4393818).

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

3438342 is a wasteful number, since it uses less digits than its factorization.

3438342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1599 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 3438342 is about 1854.2766783843. The cubic root of 3438342 is about 150.9325898252.

Subtracting from 3438342 its reverse (2438343), we obtain a palindrome (999999).

The spelling of 3438342 in words is "three million, four hundred thirty-eight thousand, three hundred forty-two".