3652864 has 36 divisors (see below), whose sum is σ = 7685440. Its totient is φ = 1728000.

The previous prime is 3652843. The next prime is 3652871. The reversal of 3652864 is 4682563.

It is a happy number.

3652864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4489 + ... + 5239.

Almost surely, 2^3652864 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 3652864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3842720).

3652864 is an abundant number, since it is smaller than the sum of its proper divisors (4032576).

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

3652864 is an equidigital number, since it uses as much as digits as its factorization.

3652864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 772 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 3652864 is about 1911.2467135354. The cubic root of 3652864 is about 154.0084326636.

It can be divided in two parts, 36 and 52864, that added together give a square (52900 = 230²).

The spelling of 3652864 in words is "three million, six hundred fifty-two thousand, eight hundred sixty-four".