3658608 has 60 divisors (see below), whose sum is σ = 10629528. Its totient is φ = 1218240.

The previous prime is 3658607. The next prime is 3658631. The reversal of 3658608 is 8068563.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3658607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3418 + ... + 4358.

Almost surely, 2^3658608 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 3658608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5314764).

3658608 is an abundant number, since it is smaller than the sum of its proper divisors (6970920).

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

3658608 is an equidigital number, since it uses as much as digits as its factorization.

3658608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 3658608 is about 1912.7488073451. The cubic root of 3658608 is about 154.0891146674.

The spelling of 3658608 in words is "three million, six hundred fifty-eight thousand, six hundred eight".