3641264 has 40 divisors (see below), whose sum is σ = 8155728. Its totient is φ = 1556480.

The previous prime is 3641263. The next prime is 3641311. The reversal of 3641264 is 4621463.

It is not an unprimeable number, because it can be changed into a prime (3641263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2384 + ... + 3600.

Almost surely, 2^3641264 is an apocalyptic number.

3641264 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 3641264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4077864).

3641264 is an abundant number, since it is smaller than the sum of its proper divisors (4514464).

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

3641264 is a wasteful number, since it uses less digits than its factorization.

3641264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1247 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 3641264 is about 1908.2096320897. The cubic root of 3641264 is about 153.8452372253.

The spelling of 3641264 in words is "three million, six hundred forty-one thousand, two hundred sixty-four".