2984890 has 16 divisors (see below), whose sum is σ = 5393160. Its totient is φ = 1189440.

The previous prime is 2984887. The next prime is 2984899. The reversal of 2984890 is 984892.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 797449 + 2187441 = 893^2 + 1479^2 .

It is not an unprimeable number, because it can be changed into a prime (2984899) 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, 3856 + ... + 4564.

2^2984890 is an apocalyptic number.

2984890 is a deficient number, since it is larger than the sum of its proper divisors (2408270).

2984890 is a wasteful number, since it uses less digits than its factorization.

2984890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2984890 is about 1727.6834200744. The cubic root of 2984890 is about 143.9824116893.

The spelling of 2984890 in words is "two million, nine hundred eighty-four thousand, eight hundred ninety".