2988890 has 16 divisors (see below), whose sum is σ = 5663520. Its totient is φ = 1132560.

The previous prime is 2988877. The next prime is 2988899. The reversal of 2988890 is 988892.

It is not an unprimeable number, because it can be changed into a prime (2988899) 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 7 ways as a sum of consecutive naturals, for example, 7676 + ... + 8055.

It is an arithmetic number, because the mean of its divisors is an integer number (353970).

2^2988890 is an apocalyptic number.

2988890 is a deficient number, since it is larger than the sum of its proper divisors (2674630).

2988890 is a wasteful number, since it uses less digits than its factorization.

2988890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15757.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 2988890 is about 1728.8406519977. The cubic root of 2988890 is about 144.0466991028.

The spelling of 2988890 in words is "two million, nine hundred eighty-eight thousand, eight hundred ninety".