2901856 has 48 divisors (see below), whose sum is σ = 6123600. Its totient is φ = 1351168.

The previous prime is 2901853. The next prime is 2901893. The reversal of 2901856 is 6581092.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2901853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49155 + ... + 49213.

It is an arithmetic number, because the mean of its divisors is an integer number (127575).

2^2901856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2901856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3061800).

2901856 is an abundant number, since it is smaller than the sum of its proper divisors (3221744).

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

2901856 is a wasteful number, since it uses less digits than its factorization.

2901856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2901856 is about 1703.4834897938. The cubic root of 2901856 is about 142.6347304803.

The spelling of 2901856 in words is "two million, nine hundred one thousand, eight hundred fifty-six".