2981085 has 16 divisors (see below), whose sum is σ = 4791744. Its totient is φ = 1582592.

The previous prime is 2981063. The next prime is 2981087. The reversal of 2981085 is 5801892.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2981085 - 2⁶ = 2981021 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981087) 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, 5014 + ... + 5576.

It is an arithmetic number, because the mean of its divisors is an integer number (299484).

2^2981085 is an apocalyptic number.

It is an amenable number.

2981085 is a deficient number, since it is larger than the sum of its proper divisors (1810659).

2981085 is a wasteful number, since it uses less digits than its factorization.

2981085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 2981085 is about 1726.5818833754. The cubic root of 2981085 is about 143.9212049632.

The spelling of 2981085 in words is "two million, nine hundred eighty-one thousand, eighty-five".