4605681 has 8 divisors (see below), whose sum is σ = 6408000. Its totient is φ = 2936912.

The previous prime is 4605673. The next prime is 4605703. The reversal of 4605681 is 1865064.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4605681 - 2³ = 4605673 is a prime.

It is a super-2 number, since 2×4605681² = 42424594947522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4605641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33306 + ... + 33443.

It is an arithmetic number, because the mean of its divisors is an integer number (801000).

Almost surely, 2^4605681 is an apocalyptic number.

It is an amenable number.

4605681 is a deficient number, since it is larger than the sum of its proper divisors (1802319).

4605681 is a wasteful number, since it uses less digits than its factorization.

4605681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66775.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4605681 is about 2146.0850402535. The cubic root of 4605681 is about 166.3787861462.

The spelling of 4605681 in words is "four million, six hundred five thousand, six hundred eighty-one".