3646548 has 18 divisors (see below), whose sum is σ = 9217754. Its totient is φ = 1215504.

The previous prime is 3646541. The next prime is 3646553. The reversal of 3646548 is 8456463.

3646548 is a `hidden beast` number, since 3 + 646 + 5 + 4 + 8 = 666.

3646548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3640464 + 6084 = 1908^2 + 78^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 101293 = 3646548 / (3 + 6 + 4 + 6 + 5 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50611 + ... + 50682.

Almost surely, 2^3646548 is an apocalyptic number.

It is an amenable number.

3646548 is an abundant number, since it is smaller than the sum of its proper divisors (5571206).

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

3646548 is a wasteful number, since it uses less digits than its factorization.

3646548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101303 (or 101298 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 3646548 is about 1909.5936740574. The cubic root of 3646548 is about 153.9196184777.

The spelling of 3646548 in words is "three million, six hundred forty-six thousand, five hundred forty-eight".