2992905 has 12 divisors (see below), whose sum is σ = 5187780. Its totient is φ = 1596192.

The previous prime is 2992903. The next prime is 2992907. The reversal of 2992905 is 5092992.

2992905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2992903) and next prime (2992907).

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 1121481 = 1368^2 + 1059^2 .

It is not a de Polignac number, because 2992905 - 2¹ = 2992903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2992905.

It is not an unprimeable number, because it can be changed into a prime (2992903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33210 + ... + 33299.

It is an arithmetic number, because the mean of its divisors is an integer number (432315).

2^2992905 is an apocalyptic number.

It is an amenable number.

2992905 is a deficient number, since it is larger than the sum of its proper divisors (2194875).

2992905 is a wasteful number, since it uses less digits than its factorization.

2992905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66520 (or 66517 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 2992905 is about 1730.0014450861. The cubic root of 2992905 is about 144.1111699403. Note that the first 4 decimals are identical.

The spelling of 2992905 in words is "two million, nine hundred ninety-two thousand, nine hundred five".