2849860 has 48 divisors (see below), whose sum is σ = 6569136. Its totient is φ = 1032192.

The previous prime is 2849857. The next prime is 2849887. The reversal of 2849860 is 689482.

2849860 = T₆₅ + T₆₆ + ... + T₂₅₈.

2849860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 956484 + 1893376 = 978^2 + 1376^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25164 + ... + 25276.

It is an arithmetic number, because the mean of its divisors is an integer number (136857).

2^2849860 is an apocalyptic number.

2849860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2849860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3284568).

2849860 is an abundant number, since it is smaller than the sum of its proper divisors (3719276).

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

2849860 is a wasteful number, since it uses less digits than its factorization.

2849860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2849860 is about 1688.1528366827. The cubic root of 2849860 is about 141.7776723200. Note that the first 3 decimals are identical.

The spelling of 2849860 in words is "two million, eight hundred forty-nine thousand, eight hundred sixty".