2993985 has 12 divisors (see below), whose sum is σ = 5189652. Its totient is φ = 1596768.

The previous prime is 2993983. The next prime is 2993993. The reversal of 2993985 is 5893992.

It can be written as a sum of positive squares in 2 ways, for example, as 2178576 + 815409 = 1476^2 + 903^2 .

It is not a de Polignac number, because 2993985 - 2¹ = 2993983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 66533 = 2993985 / (2 + 9 + 9 + 3 + 9 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2993985.

It is not an unprimeable number, because it can be changed into a prime (2993981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33222 + ... + 33311.

It is an arithmetic number, because the mean of its divisors is an integer number (432471).

2^2993985 is an apocalyptic number.

It is an amenable number.

2993985 is a deficient number, since it is larger than the sum of its proper divisors (2195667).

2993985 is a wasteful number, since it uses less digits than its factorization.

2993985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66544 (or 66541 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 2993985 is about 1730.3135553997. The cubic root of 2993985 is about 144.1285021917.

The spelling of 2993985 in words is "two million, nine hundred ninety-three thousand, nine hundred eighty-five".