3149988 has 48 divisors (see below), whose sum is σ = 7814016. Its totient is φ = 985600.

The previous prime is 3149983. The next prime is 3149999. The reversal of 3149988 is 8899413.

It is not an unprimeable number, because it can be changed into a prime (3149983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27820 + ... + 27932.

It is an arithmetic number, because the mean of its divisors is an integer number (162792).

Almost surely, 2^3149988 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 3149988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3907008).

3149988 is an abundant number, since it is smaller than the sum of its proper divisors (4664028).

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

3149988 is a wasteful number, since it uses less digits than its factorization.

3149988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 242 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 3149988 is about 1774.8205543096. The cubic root of 3149988 is about 146.5895347419.

The spelling of 3149988 in words is "three million, one hundred forty-nine thousand, nine hundred eighty-eight".