3641568 has 48 divisors (see below), whose sum is σ = 10926720. Its totient is φ = 1040256.

The previous prime is 3641563. The next prime is 3641569. The reversal of 3641568 is 8651463.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×3641568² = 26522034997248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641563) 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, 2038 + ... + 3381.

It is an arithmetic number, because the mean of its divisors is an integer number (227640).

Almost surely, 2^3641568 is an apocalyptic number.

It is an amenable number.

3641568 is an abundant number, since it is smaller than the sum of its proper divisors (7285152).

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

3641568 is a wasteful number, since it uses less digits than its factorization.

3641568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439 (or 5431 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 3641568 is about 1908.2892862457. The cubic root of 3641568 is about 153.8495184905.

The spelling of 3641568 in words is "three million, six hundred forty-one thousand, five hundred sixty-eight".