3603864 has 96 divisors (see below), whose sum is σ = 10629360. Its totient is φ = 1013760.

The previous prime is 3603857. The next prime is 3603869. The reversal of 3603864 is 4683063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3603869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49332 + ... + 49404.

Almost surely, 2^3603864 is an apocalyptic number.

3603864 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3603864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5314680).

3603864 is an abundant number, since it is smaller than the sum of its proper divisors (7025496).

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

3603864 is a wasteful number, since it uses less digits than its factorization.

3603864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3603864 is about 1898.3845764228. The cubic root of 3603864 is about 153.3167005693.

It can be divided in two parts, 360 and 3864, that added together give a palindrome (4224).

The spelling of 3603864 in words is "three million, six hundred three thousand, eight hundred sixty-four".