3669648 has 40 divisors (see below), whose sum is σ = 9597600. Its totient is φ = 1208064.

The previous prime is 3669647. The next prime is 3669649. The reversal of 3669648 is 8469663.

It is an interprime number because it is at equal distance from previous prime (3669647) and next prime (3669649).

It is not an unprimeable number, because it can be changed into a prime (3669643) 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, 3843 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (239940).

Almost surely, 2^3669648 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 3669648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4798800).

3669648 is an abundant number, since it is smaller than the sum of its proper divisors (5927952).

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

3669648 is a wasteful number, since it uses less digits than its factorization.

3669648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 953 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 3669648 is about 1915.6325326116. The cubic root of 3669648 is about 154.2439491106.

The spelling of 3669648 in words is "three million, six hundred sixty-nine thousand, six hundred forty-eight".