3189490 has 8 divisors (see below), whose sum is σ = 5741100. Its totient is φ = 1275792.

The previous prime is 3189463. The next prime is 3189491. The reversal of 3189490 is 949813.

3189490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3164841 + 24649 = 1779^2 + 157^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3189491) 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 3 ways as a sum of consecutive naturals, for example, 159465 + ... + 159484.

Almost surely, 2^3189490 is an apocalyptic number.

3189490 is a deficient number, since it is larger than the sum of its proper divisors (2551610).

3189490 is a wasteful number, since it uses less digits than its factorization.

3189490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318956.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 3189490 is about 1785.9143316520. The cubic root of 3189490 is about 147.1997531206.

It can be divided in two parts, 31 and 89490, that multiplied together give a triangular number (2774190 = T₂₃₅₅).

The spelling of 3189490 in words is "three million, one hundred eighty-nine thousand, four hundred ninety".