3421642 has 8 divisors (see below), whose sum is σ = 5865696. Its totient is φ = 1466412.

The previous prime is 3421637. The next prime is 3421657. The reversal of 3421642 is 2461243.

It is a happy number.

3421642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 122188 + ... + 122215.

It is an arithmetic number, because the mean of its divisors is an integer number (733212).

Almost surely, 2^3421642 is an apocalyptic number.

3421642 is a deficient number, since it is larger than the sum of its proper divisors (2444054).

3421642 is a wasteful number, since it uses less digits than its factorization.

3421642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244412.

The product of its digits is 1152, while the sum is 22.

The square root of 3421642 is about 1849.7680935728. The cubic root of 3421642 is about 150.6878336704.

Adding to 3421642 its reverse (2461243), we get a palindrome (5882885).

The spelling of 3421642 in words is "three million, four hundred twenty-one thousand, six hundred forty-two".