4656641 has 8 divisors (see below), whose sum is σ = 5111424. Its totient is φ = 4207120.

The previous prime is 4656629. The next prime is 4656643. The reversal of 4656641 is 1466564.

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 4656641 - 2¹⁰ = 4655617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4656598 and 4656607.

It is not an unprimeable number, because it can be changed into a prime (4656643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680 + ... + 3126.

It is an arithmetic number, because the mean of its divisors is an integer number (638928).

Almost surely, 2^4656641 is an apocalyptic number.

It is an amenable number.

4656641 is a deficient number, since it is larger than the sum of its proper divisors (454783).

4656641 is a wasteful number, since it uses less digits than its factorization.

4656641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631.

The product of its digits is 17280, while the sum is 32.

The square root of 4656641 is about 2157.9251608895. The cubic root of 4656641 is about 166.9901747599.

The spelling of 4656641 in words is "four million, six hundred fifty-six thousand, six hundred forty-one".