2988305 has 16 divisors (see below), whose sum is σ = 3816720. Its totient is φ = 2241792.

The previous prime is 2988289. The next prime is 2988331. The reversal of 2988305 is 5038892.

It can be written as a sum of positive squares in 8 ways, for example, as 16129 + 2972176 = 127^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 2988305 - 2⁴ = 2988289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5087 + ... + 5643.

It is an arithmetic number, because the mean of its divisors is an integer number (238545).

2^2988305 is an apocalyptic number.

It is an amenable number.

2988305 is a deficient number, since it is larger than the sum of its proper divisors (828415).

2988305 is a wasteful number, since it uses less digits than its factorization.

2988305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2988305 is about 1728.6714551933. The cubic root of 2988305 is about 144.0373006509.

The spelling of 2988305 in words is "two million, nine hundred eighty-eight thousand, three hundred five".