3391855 has 4 divisors (see below), whose sum is σ = 4070232. Its totient is φ = 2713480.

The previous prime is 3391853. The next prime is 3391859. The reversal of 3391855 is 5581933.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3391855 - 2¹ = 3391853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3391855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3391853) 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 3 ways as a sum of consecutive naturals, for example, 339181 + ... + 339190.

It is an arithmetic number, because the mean of its divisors is an integer number (1017558).

Almost surely, 2^3391855 is an apocalyptic number.

3391855 is a deficient number, since it is larger than the sum of its proper divisors (678377).

3391855 is an equidigital number, since it uses as much as digits as its factorization.

3391855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678376.

The product of its digits is 16200, while the sum is 34.

The square root of 3391855 is about 1841.6989439102. The cubic root of 3391855 is about 150.2492891736.

The spelling of 3391855 in words is "three million, three hundred ninety-one thousand, eight hundred fifty-five".