3378805 has 8 divisors (see below), whose sum is σ = 4110552. Its totient is φ = 2665728.

The previous prime is 3378799. The next prime is 3378839. The reversal of 3378805 is 5088733.

It can be written as a sum of positive squares in 4 ways, for example, as 26244 + 3352561 = 162^2 + 1831^2 .

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 3378805 - 2⁹ = 3378293 is a prime.

It is a super-2 number, since 2×3378805² = 22832646456050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4264 + ... + 4993.

It is an arithmetic number, because the mean of its divisors is an integer number (513819).

Almost surely, 2^3378805 is an apocalyptic number.

It is an amenable number.

3378805 is a deficient number, since it is larger than the sum of its proper divisors (731747).

3378805 is an equidigital number, since it uses as much as digits as its factorization.

3378805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 3378805 is about 1838.1526051990. The cubic root of 3378805 is about 150.0563491995.

The spelling of 3378805 in words is "three million, three hundred seventy-eight thousand, eight hundred five".