3543648 has 24 divisors (see below), whose sum is σ = 9302328. Its totient is φ = 1181184.

The previous prime is 3543643. The next prime is 3543677. The reversal of 3543648 is 8463453.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×3543648² = 25114882295808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3543643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18361 + ... + 18552.

It is an arithmetic number, because the mean of its divisors is an integer number (387597).

Almost surely, 2^3543648 is an apocalyptic number.

It is an amenable number.

3543648 is an abundant number, since it is smaller than the sum of its proper divisors (5758680).

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

3543648 is a wasteful number, since it uses less digits than its factorization.

3543648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36926 (or 36918 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 3543648 is about 1882.4579676582. The cubic root of 3543648 is about 152.4579907579.

The spelling of 3543648 in words is "three million, five hundred forty-three thousand, six hundred forty-eight".