3649548 has 48 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 996864.

The previous prime is 3649531. The next prime is 3649549. The reversal of 3649548 is 8459463.

It is not an unprimeable number, because it can be changed into a prime (3649549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988 + ... + 2876.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 2^3649548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3649548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5080320).

3649548 is an abundant number, since it is smaller than the sum of its proper divisors (6511092).

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

3649548 is a wasteful number, since it uses less digits than its factorization.

3649548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1924 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 3649548 is about 1910.3790199853. The cubic root of 3649548 is about 153.9618165862.

The spelling of 3649548 in words is "three million, six hundred forty-nine thousand, five hundred forty-eight".