2180862 has 24 divisors (see below), whose sum is σ = 5003856. Its totient is φ = 684096.

The previous prime is 2180833. The next prime is 2180863. The reversal of 2180862 is 2680812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3258 + ... + 3869.

It is an arithmetic number, because the mean of its divisors is an integer number (208494).

2^2180862 is an apocalyptic number.

2180862 is an abundant number, since it is smaller than the sum of its proper divisors (2822994).

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

2180862 is a wasteful number, since it uses less digits than its factorization.

2180862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7152 (or 7149 counting only the distinct ones).

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

The square root of 2180862 is about 1476.7741872067. The cubic root of 2180862 is about 129.6809136927.

The spelling of 2180862 in words is "two million, one hundred eighty thousand, eight hundred sixty-two".