2018916 has 18 divisors (see below), whose sum is σ = 5103462. Its totient is φ = 672960.

The previous prime is 2018899. The next prime is 2018927. The reversal of 2018916 is 6198102.

It can be written as a sum of positive squares in only one way, i.e., 1313316 + 705600 = 1146^2 + 840^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2018916.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28005 + ... + 28076.

2^2018916 is an apocalyptic number.

It is an amenable number.

2018916 is an abundant number, since it is smaller than the sum of its proper divisors (3084546).

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

2018916 is a wasteful number, since it uses less digits than its factorization.

2018916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56091 (or 56086 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2018916 is about 1420.8856393109. The cubic root of 2018916 is about 126.3880703637.

It can be divided in two parts, 201891 and 6, that multiplied together give a triangular number (1211346 = T₁₅₅₆).

The spelling of 2018916 in words is "two million, eighteen thousand, nine hundred sixteen".