3668658 has 32 divisors (see below), whose sum is σ = 8470656. Its totient is φ = 1037568.

The previous prime is 3668647. The next prime is 3668671. The reversal of 3668658 is 8568663.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4360 + ... + 5132.

It is an arithmetic number, because the mean of its divisors is an integer number (264708).

Almost surely, 2^3668658 is an apocalyptic number.

3668658 is an abundant number, since it is smaller than the sum of its proper divisors (4801998).

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

3668658 is a wasteful number, since it uses less digits than its factorization.

3668658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its digits is 207360, while the sum is 42.

The square root of 3668658 is about 1915.3741148924. The cubic root of 3668658 is about 154.2300771858.

The spelling of 3668658 in words is "three million, six hundred sixty-eight thousand, six hundred fifty-eight".