3646544 has 20 divisors (see below), whose sum is σ = 7707840. Its totient is φ = 1657440.

The previous prime is 3646541. The next prime is 3646553. The reversal of 3646544 is 4456463.

It is a self number, because there is not a number n which added to its sum of digits gives 3646544.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10184 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (385392).

Almost surely, 2^3646544 is an apocalyptic number.

It is an amenable number.

3646544 is an abundant number, since it is smaller than the sum of its proper divisors (4061296).

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

3646544 is a wasteful number, since it uses less digits than its factorization.

3646544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20738 (or 20732 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 3646544 is about 1909.5926267139. The cubic root of 3646544 is about 153.9195621981.

The spelling of 3646544 in words is "three million, six hundred forty-six thousand, five hundred forty-four".