3420055 has 8 divisors (see below), whose sum is σ = 4120272. Its totient is φ = 2725248.

The previous prime is 3420047. The next prime is 3420059. The reversal of 3420055 is 5500243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3420055 - 2³ = 3420047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (515034).

Almost surely, 2^3420055 is an apocalyptic number.

3420055 is a deficient number, since it is larger than the sum of its proper divisors (700217).

3420055 is a wasteful number, since it uses less digits than its factorization.

3420055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 3420055 is about 1849.3390711278. The cubic root of 3420055 is about 150.6645331056.

Adding to 3420055 its reverse (5500243), we get a palindrome (8920298).

The spelling of 3420055 in words is "three million, four hundred twenty thousand, fifty-five".