4611636 has 36 divisors (see below), whose sum is σ = 11882052. Its totient is φ = 1507584.

The previous prime is 4611631. The next prime is 4611637. The reversal of 4611636 is 6361164.

It can be written as a sum of positive squares in 2 ways, for example, as 4040100 + 571536 = 2010^2 + 756^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4611631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 700 + ... + 3116.

It is an arithmetic number, because the mean of its divisors is an integer number (330057).

Almost surely, 2^4611636 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 4611636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5941026).

4611636 is an abundant number, since it is smaller than the sum of its proper divisors (7270416).

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

4611636 is a wasteful number, since it uses less digits than its factorization.

4611636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480 (or 2475 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 4611636 is about 2147.4720021458. The cubic root of 4611636 is about 166.4504627676.

The spelling of 4611636 in words is "four million, six hundred eleven thousand, six hundred thirty-six".