2186016 has 48 divisors (see below), whose sum is σ = 6560064. Its totient is φ = 624384.

The previous prime is 2186011. The next prime is 2186029. The reversal of 2186016 is 6106812.

2186016 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2186011) 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, 955 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (136668).

2^2186016 is an apocalyptic number.

It is an amenable number.

2186016 is an abundant number, since it is smaller than the sum of its proper divisors (4374048).

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

2186016 is a wasteful number, since it uses less digits than its factorization.

2186016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3265 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2186016 is about 1478.5181770949. The cubic root of 2186016 is about 129.7829910057.

It can be divided in two parts, 21 and 86016, that multiplied together give a square (1806336 = 1344²).

The spelling of 2186016 in words is "two million, one hundred eighty-six thousand, sixteen".