3651264 has 56 divisors (see below), whose sum is σ = 10739120. Its totient is φ = 1216512.

The previous prime is 3651239. The next prime is 3651269. The reversal of 3651264 is 4621563.

3651264 is a `hidden beast` number, since 3 + 651 + 2 + 6 + 4 = 666.

3651264 is digitally balanced in base 5, 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 (27).

It is not an unprimeable number, because it can be changed into a prime (3651269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672 + ... + 2784.

It is an arithmetic number, because the mean of its divisors is an integer number (191770).

Almost surely, 2^3651264 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 3651264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5369560).

3651264 is an abundant number, since it is smaller than the sum of its proper divisors (7087856).

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

3651264 is a wasteful number, since it uses less digits than its factorization.

3651264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2118 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3651264 is about 1910.8280927389. The cubic root of 3651264 is about 153.9859435082.

Subtracting 3651264 from its reverse (4621563), we obtain a cube (970299 = 99³).

The spelling of 3651264 in words is "three million, six hundred fifty-one thousand, two hundred sixty-four".