2984905 has 16 divisors (see below), whose sum is σ = 4466304. Its totient is φ = 1860480.

The previous prime is 2984903. The next prime is 2984909. The reversal of 2984905 is 5094892.

It is not a de Polignac number, because 2984905 - 2¹ = 2984903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2984903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3492 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (279144).

2^2984905 is an apocalyptic number.

It is an amenable number.

2984905 is a deficient number, since it is larger than the sum of its proper divisors (1481399).

2984905 is a wasteful number, since it uses less digits than its factorization.

2984905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7776.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2984905 is about 1727.6877611420. The cubic root of 2984905 is about 143.9826528743.

The spelling of 2984905 in words is "two million, nine hundred eighty-four thousand, nine hundred five".