3643068 has 72 divisors (see below), whose sum is σ = 10114384. Its totient is φ = 1013760.

The previous prime is 3643063. The next prime is 3643099. The reversal of 3643068 is 8603463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18780 + ... + 18972.

Almost surely, 2^3643068 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 3643068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5057192).

3643068 is an abundant number, since it is smaller than the sum of its proper divisors (6471316).

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

3643068 is a wasteful number, since it uses less digits than its factorization.

3643068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3643068 is about 1908.6822679535. The cubic root of 3643068 is about 153.8706396668.

The spelling of 3643068 in words is "three million, six hundred forty-three thousand, sixty-eight".