2986605 has 16 divisors (see below), whose sum is σ = 5309760. Its totient is φ = 1592784.

The previous prime is 2986601. The next prime is 2986609. The reversal of 2986605 is 5066892.

2986605 is nontrivially palindromic in base 2.

It is an interprime number because it is at equal distance from previous prime (2986601) and next prime (2986609).

It is not a de Polignac number, because 2986605 - 2² = 2986601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2986605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986601) 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, 10927 + ... + 11196.

It is an arithmetic number, because the mean of its divisors is an integer number (331860).

2^2986605 is an apocalyptic number.

It is an amenable number.

2986605 is a deficient number, since it is larger than the sum of its proper divisors (2323155).

2986605 is a wasteful number, since it uses less digits than its factorization.

2986605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22137 (or 22131 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2986605 is about 1728.1796781585. The cubic root of 2986605 is about 144.0099819469.

It can be divided in two parts, 298 and 6605, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 2986605 in words is "two million, nine hundred eighty-six thousand, six hundred five".