3421855 has 8 divisors (see below), whose sum is σ = 4248000. Its totient is φ = 2642976.

The previous prime is 3421853. The next prime is 3421861. The reversal of 3421855 is 5581243.

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 3421855 - 2¹ = 3421853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421853) 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, 11655 + ... + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (531000).

Almost surely, 2^3421855 is an apocalyptic number.

3421855 is a deficient number, since it is larger than the sum of its proper divisors (826145).

3421855 is a wasteful number, since it uses less digits than its factorization.

3421855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23633.

The product of its digits is 4800, while the sum is 28.

The square root of 3421855 is about 1849.8256674617. The cubic root of 3421855 is about 150.6909604190.

It can be divided in two parts, 342 and 1855, that added together give a cube (2197 = 13³).

The spelling of 3421855 in words is "three million, four hundred twenty-one thousand, eight hundred fifty-five".