3142188 has 72 divisors (see below), whose sum is σ = 9350432. Its totient is φ = 870912.

The previous prime is 3142187. The next prime is 3142193. The reversal of 3142188 is 8812413.

It is not an unprimeable number, because it can be changed into a prime (3142187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9156 + ... + 9492.

Almost surely, 2^3142188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3142188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4675216).

3142188 is an abundant number, since it is smaller than the sum of its proper divisors (6208244).

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

3142188 is a wasteful number, since it uses less digits than its factorization.

3142188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 386 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 3142188 is about 1772.6217870713. The cubic root of 3142188 is about 146.4684397375.

The spelling of 3142188 in words is "three million, one hundred forty-two thousand, one hundred eighty-eight".