3421242 has 48 divisors (see below), whose sum is σ = 8322912. Its totient is φ = 1006560.

The previous prime is 3421241. The next prime is 3421321. The reversal of 3421242 is 2421243.

3421242 is a `hidden beast` number, since 3 + 421 + 242 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7093 + ... + 7559.

It is an arithmetic number, because the mean of its divisors is an integer number (173394).

Almost surely, 2^3421242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4161456).

3421242 is an abundant number, since it is smaller than the sum of its proper divisors (4901670).

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

3421242 is a wasteful number, since it uses less digits than its factorization.

3421242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 520 counting only the distinct ones).

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

The square root of 3421242 is about 1849.6599687510. The cubic root of 3421242 is about 150.6819614915.

Adding to 3421242 its reverse (2421243), we get a palindrome (5842485).

Subtracting from 3421242 its reverse (2421243), we obtain a palindrome (999999).

It can be divided in two parts, 3421 and 242, that added together give a palindrome (3663).

The spelling of 3421242 in words is "three million, four hundred twenty-one thousand, two hundred forty-two".