4645668 has 24 divisors (see below), whose sum is σ = 11071872. Its totient is φ = 1515424.

The previous prime is 4645651. The next prime is 4645681. The reversal of 4645668 is 8665464.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3555 + ... + 4682.

It is an arithmetic number, because the mean of its divisors is an integer number (461328).

Almost surely, 2^4645668 is an apocalyptic number.

It is an amenable number.

4645668 is an abundant number, since it is smaller than the sum of its proper divisors (6426204).

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

4645668 is a wasteful number, since it uses less digits than its factorization.

4645668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291 (or 8289 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 4645668 is about 2155.3811727859. The cubic root of 4645668 is about 166.8589052917.

The spelling of 4645668 in words is "four million, six hundred forty-five thousand, six hundred sixty-eight".