3618816 has 96 divisors (see below), whose sum is σ = 10483200. Its totient is φ = 1105920.

The previous prime is 3618809. The next prime is 3618827. The reversal of 3618816 is 6188163.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116721 + ... + 116751.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

Almost surely, 2^3618816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3618816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5241600).

3618816 is an abundant number, since it is smaller than the sum of its proper divisors (6864384).

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

3618816 is a wasteful number, since it uses less digits than its factorization.

3618816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 55 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 3618816 is about 1902.3185853058. The cubic root of 3618816 is about 153.5284388876.

The spelling of 3618816 in words is "three million, six hundred eighteen thousand, eight hundred sixteen".