3189445 has 8 divisors (see below), whose sum is σ = 4374144. Its totient is φ = 2187024.

The previous prime is 3189427. The next prime is 3189451. The reversal of 3189445 is 5449813.

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

It is not a de Polignac number, because 3189445 - 2⁵ = 3189413 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 3189445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45529 + ... + 45598.

It is an arithmetic number, because the mean of its divisors is an integer number (546768).

Almost surely, 2^3189445 is an apocalyptic number.

3189445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3189445 is a deficient number, since it is larger than the sum of its proper divisors (1184699).

3189445 is an equidigital number, since it uses as much as digits as its factorization.

3189445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91139.

The product of its digits is 17280, while the sum is 34.

The square root of 3189445 is about 1785.9017330189. The cubic root of 3189445 is about 147.1990608449.

The spelling of 3189445 in words is "three million, one hundred eighty-nine thousand, four hundred forty-five".