2985940 has 12 divisors (see below), whose sum is σ = 6270516. Its totient is φ = 1194368.

The previous prime is 2985901. The next prime is 2985943. The reversal of 2985940 is 495892.

It can be written as a sum of positive squares in 2 ways, for example, as 1758276 + 1227664 = 1326^2 + 1108^2 .

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2985940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74629 + ... + 74668.

It is an arithmetic number, because the mean of its divisors is an integer number (522543).

2^2985940 is an apocalyptic number.

2985940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2985940 is an abundant number, since it is smaller than the sum of its proper divisors (3284576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2985940 is a wasteful number, since it uses less digits than its factorization.

2985940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149306 (or 149304 counting only the distinct ones).

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

The square root of 2985940 is about 1727.9872684716. The cubic root of 2985940 is about 143.9992926920. Note that the first 3 decimals are identical.

The spelling of 2985940 in words is "two million, nine hundred eighty-five thousand, nine hundred forty".