2918985 has 16 divisors (see below), whose sum is σ = 4945536. Its totient is φ = 1465088.

The previous prime is 2918977. The next prime is 2919011. The reversal of 2918985 is 5898192.

2918985 = 37² + 38² + ... + 206².

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2918985 - 2³ = 2918977 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, 5469 + ... + 5978.

It is an arithmetic number, because the mean of its divisors is an integer number (309096).

2^2918985 is an apocalyptic number.

It is an amenable number.

2918985 is a deficient number, since it is larger than the sum of its proper divisors (2026551).

2918985 is a wasteful number, since it uses less digits than its factorization.

2918985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11472.

The product of its digits is 51840, while the sum is 42.

The square root of 2918985 is about 1708.5037313392. The cubic root of 2918985 is about 142.9148269428.

The spelling of 2918985 in words is "two million, nine hundred eighteen thousand, nine hundred eighty-five".