2861360 has 40 divisors (see below), whose sum is σ = 6803136. Its totient is φ = 1118720.

The previous prime is 2861347. The next prime is 2861363. The reversal of 2861360 is 631682.

2861360 = 46² + 47² + ... + 205².

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2861363) 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, 3380 + ... + 4140.

2^2861360 is an apocalyptic number.

2861360 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 2861360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3401568).

2861360 is an abundant number, since it is smaller than the sum of its proper divisors (3941776).

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

2861360 is a wasteful number, since it uses less digits than its factorization.

2861360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2861360 is about 1691.5554971682. Note that the first 3 decimals coincide. The cubic root of 2861360 is about 141.9681208606.

The spelling of 2861360 in words is "two million, eight hundred sixty-one thousand, three hundred sixty".