3616812 has 54 divisors (see below), whose sum is σ = 9639084. Its totient is φ = 1185840.

The previous prime is 3616757. The next prime is 3616813. The reversal of 3616812 is 2186163.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (54).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3616813) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 59262 + ... + 59322.

Almost surely, 2^3616812 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 3616812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4819542).

3616812 is an abundant number, since it is smaller than the sum of its proper divisors (6022272).

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

3616812 is an equidigital number, since it uses as much as digits as its factorization.

3616812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 66 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 3616812 is about 1901.7917867106. The cubic root of 3616812 is about 153.5000937233.

Multiplying 3616812 by its sum of digits (27), we get a square (97653924 = 9882²).

3616812 divided by its sum of digits (27) gives a square (133956 = 366²).

Multiplying 3616812 by its product of digits (1728), we get a square (6249851136 = 79056²).

The spelling of 3616812 in words is "three million, six hundred sixteen thousand, eight hundred twelve".