2988505 has 16 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 2109888.

The previous prime is 2988499. The next prime is 2988509. The reversal of 2988505 is 5058892.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2988505 - 2³ = 2988497 is a prime.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (2988509) 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 15 ways as a sum of consecutive naturals, for example, 496 + ... + 2494.

It is an arithmetic number, because the mean of its divisors is an integer number (252000).

2^2988505 is an apocalyptic number.

It is an amenable number.

2988505 is a deficient number, since it is larger than the sum of its proper divisors (1043495).

2988505 is a wasteful number, since it uses less digits than its factorization.

2988505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 2988505 is about 1728.7293021176. The cubic root of 2988505 is about 144.0405139348.

The spelling of 2988505 in words is "two million, nine hundred eighty-eight thousand, five hundred five".