3420204 has 24 divisors (see below), whose sum is σ = 8011248. Its totient is φ = 1135680.

The previous prime is 3420203. The next prime is 3420211. The reversal of 3420204 is 4020243.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4714 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (333802).

Almost surely, 2^3420204 is an apocalyptic number.

It is an amenable number.

3420204 is an abundant number, since it is smaller than the sum of its proper divisors (4591044).

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

3420204 is a wasteful number, since it uses less digits than its factorization.

3420204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 3420204 is about 1849.3793553514. The cubic root of 3420204 is about 150.6667210518. Note that the first 3 decimals are identical.

Adding to 3420204 its reverse (4020243), we get a palindrome (7440447).

The spelling of 3420204 in words is "three million, four hundred twenty thousand, two hundred four".