2998784 has 20 divisors (see below), whose sum is σ = 5992734. Its totient is φ = 1499136.

The previous prime is 2998771. The next prime is 2998811. The reversal of 2998784 is 4878992.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 1149184 = 1360^2 + 1072^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2417 + ... + 3440.

2^2998784 is an apocalyptic number.

It is an amenable number.

2998784 is a deficient number, since it is larger than the sum of its proper divisors (2993950).

2998784 is an frugal number, since it uses more digits than its factorization.

2998784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875 (or 5859 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 2998784 is about 1731.6997430271. The cubic root of 2998784 is about 144.2054680031.

The spelling of 2998784 in words is "two million, nine hundred ninety-eight thousand, seven hundred eighty-four".