3189405 has 8 divisors (see below), whose sum is σ = 5103072. Its totient is φ = 1701008.

The previous prime is 3189383. The next prime is 3189409. The reversal of 3189405 is 5049813.

3189405 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 a cyclic number.

It is not a de Polignac number, because 3189405 - 2⁹ = 3188893 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3189409) by changing a digit.

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, 106299 + ... + 106328.

It is an arithmetic number, because the mean of its divisors is an integer number (637884).

Almost surely, 2^3189405 is an apocalyptic number.

It is an amenable number.

3189405 is a deficient number, since it is larger than the sum of its proper divisors (1913667).

3189405 is a wasteful number, since it uses less digits than its factorization.

3189405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212635.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 3189405 is about 1785.8905341594. The cubic root of 3189405 is about 147.1984454832.

The spelling of 3189405 in words is "three million, one hundred eighty-nine thousand, four hundred five".