3640364 has 48 divisors (see below), whose sum is σ = 8006208. Its totient is φ = 1410048.

The previous prime is 3640333. The next prime is 3640369. The reversal of 3640364 is 4630463.

3640364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (3640369) 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 15 ways as a sum of consecutive naturals, for example, 26504 + ... + 26640.

It is an arithmetic number, because the mean of its divisors is an integer number (166796).

Almost surely, 2^3640364 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 3640364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4003104).

3640364 is an abundant number, since it is smaller than the sum of its proper divisors (4365844).

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

3640364 is a wasteful number, since it uses less digits than its factorization.

3640364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 3640364 is about 1907.9737943693. The cubic root of 3640364 is about 153.8325610298.

Subtracting 3640364 from its reverse (4630463), we obtain a palindrome (990099).

It can be divided in two parts, 3640 and 364, that added together give a palindrome (4004).

The spelling of 3640364 in words is "three million, six hundred forty thousand, three hundred sixty-four".