2985851 has 6 divisors (see below), whose sum is σ = 3263556. Its totient is φ = 2709200.

The previous prime is 2985847. The next prime is 2985881. The reversal of 2985851 is 1585892.

It is not a de Polignac number, because 2985851 - 2² = 2985847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2985881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5471 + ... + 5991.

It is an arithmetic number, because the mean of its divisors is an integer number (543926).

2^2985851 is an apocalyptic number.

2985851 is a deficient number, since it is larger than the sum of its proper divisors (277705).

2985851 is an frugal number, since it uses more digits than its factorization.

2985851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 532 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 2985851 is about 1727.9615157752. The cubic root of 2985851 is about 143.9978619796.

The spelling of 2985851 in words is "two million, nine hundred eighty-five thousand, eight hundred fifty-one".