2850981 has 16 divisors (see below), whose sum is σ = 4368000. Its totient is φ = 1620288.

The previous prime is 2850979. The next prime is 2850989. The reversal of 2850981 is 1890582.

It is a happy number.

It is not a de Polignac number, because 2850981 - 2¹ = 2850979 is a prime.

It is a super-2 number, since 2×2850981² = 16256185324722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2850989) 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, 7135 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (273000).

2^2850981 is an apocalyptic number.

2850981 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2850981 is a deficient number, since it is larger than the sum of its proper divisors (1517019).

2850981 is a wasteful number, since it uses less digits than its factorization.

2850981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748.

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

The square root of 2850981 is about 1688.4848237399. The cubic root of 2850981 is about 141.7962594244.

The spelling of 2850981 in words is "two million, eight hundred fifty thousand, nine hundred eighty-one".