2861082 has 72 divisors (see below), whose sum is σ = 7609056. Its totient is φ = 789264.

The previous prime is 2861081. The next prime is 2861107. The reversal of 2861082 is 2801682.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2861081) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98644 + ... + 98672.

2^2861082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2861082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3804528).

2861082 is an abundant number, since it is smaller than the sum of its proper divisors (4747974).

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

2861082 is an equidigital number, since it uses as much as digits as its factorization.

2861082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2861082 is about 1691.4733222845. The cubic root of 2861082 is about 141.9635229985.

The spelling of 2861082 in words is "two million, eight hundred sixty-one thousand, eighty-two".