2942985 has 16 divisors (see below), whose sum is σ = 4861440. Its totient is φ = 1518720.

The previous prime is 2942981. The next prime is 2943001. The reversal of 2942985 is 5892492.

It is not a de Polignac number, because 2942985 - 2² = 2942981 is a prime.

It is a super-2 number, since 2×2942985² = 17322321420450, which contains 22 as substring.

2942985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2942981) 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, 2700 + ... + 3629.

It is an arithmetic number, because the mean of its divisors is an integer number (303840).

2^2942985 is an apocalyptic number.

It is an amenable number.

2942985 is a deficient number, since it is larger than the sum of its proper divisors (1918455).

2942985 is a wasteful number, since it uses less digits than its factorization.

2942985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368.

The product of its digits is 51840, while the sum is 39.

The square root of 2942985 is about 1715.5130427951. The cubic root of 2942985 is about 143.3054419619.

The spelling of 2942985 in words is "two million, nine hundred forty-two thousand, nine hundred eighty-five".