2867040 has 144 divisors (see below), whose sum is σ = 10732176. Its totient is φ = 691200.

The previous prime is 2867023. The next prime is 2867071. The reversal of 2867040 is 407682.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2866995 and 2867013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15750 + ... + 15930.

It is an arithmetic number, because the mean of its divisors is an integer number (74529).

2^2867040 is an apocalyptic number.

2867040 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 2867040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5366088).

2867040 is an abundant number, since it is smaller than the sum of its proper divisors (7865136).

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

2867040 is a wasteful number, since it uses less digits than its factorization.

2867040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2867040 is about 1693.2335928631. The cubic root of 2867040 is about 142.0619976582.

The spelling of 2867040 in words is "two million, eight hundred sixty-seven thousand, forty".