3189870 has 72 divisors (see below), whose sum is σ = 8799336. Its totient is φ = 801504.

The previous prime is 3189839. The next prime is 3189871. The reversal of 3189870 is 789813.

3189870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3189871) 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 35 ways as a sum of consecutive naturals, for example, 47577 + ... + 47643.

It is an arithmetic number, because the mean of its divisors is an integer number (122213).

Almost surely, 2^3189870 is an apocalyptic number.

3189870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3189870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4399668).

3189870 is an abundant number, since it is smaller than the sum of its proper divisors (5609466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3189870 is a wasteful number, since it uses less digits than its factorization.

3189870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 3189870 is about 1786.0207165652. The cubic root of 3189870 is about 147.2055987454.

The spelling of 3189870 in words is "three million, one hundred eighty-nine thousand, eight hundred seventy".