2016438 has 32 divisors (see below), whose sum is σ = 4362336. Its totient is φ = 619008.

The previous prime is 2016419. The next prime is 2016439. The reversal of 2016438 is 8346102.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5220 + ... + 5592.

It is an arithmetic number, because the mean of its divisors is an integer number (136323).

2^2016438 is an apocalyptic number.

2016438 is an abundant number, since it is smaller than the sum of its proper divisors (2345898).

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

2016438 is a wasteful number, since it uses less digits than its factorization.

2016438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2016438 is about 1420.0133802187. The cubic root of 2016438 is about 126.3363399861.

It can be divided in two parts, 20164 and 38, that added together give a palindrome (20202).

The spelling of 2016438 in words is "two million, sixteen thousand, four hundred thirty-eight".