3289405 has 8 divisors (see below), whose sum is σ = 4511232. Its totient is φ = 2255568.

The previous prime is 3289397. The next prime is 3289423. The reversal of 3289405 is 5049823.

3289405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3289405 - 2³ = 3289397 is a prime.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46957 + ... + 47026.

It is an arithmetic number, because the mean of its divisors is an integer number (563904).

Almost surely, 2^3289405 is an apocalyptic number.

3289405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3289405 is a deficient number, since it is larger than the sum of its proper divisors (1221827).

3289405 is an equidigital number, since it uses as much as digits as its factorization.

3289405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93995.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3289405 is about 1813.6716902461. The cubic root of 3289405 is about 148.7210522018.

The spelling of 3289405 in words is "three million, two hundred eighty-nine thousand, four hundred five".