4648661 has 4 divisors (see below), whose sum is σ = 4718112. Its totient is φ = 4579212.

The previous prime is 4648639. The next prime is 4648663. The reversal of 4648661 is 1668464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4648661 - 2¹⁸ = 4386517 is a prime.

It is a super-2 number, since 2×4648661² = 43220098185842, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4648663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34625 + ... + 34758.

It is an arithmetic number, because the mean of its divisors is an integer number (1179528).

Almost surely, 2^4648661 is an apocalyptic number.

It is an amenable number.

4648661 is a deficient number, since it is larger than the sum of its proper divisors (69451).

4648661 is an equidigital number, since it uses as much as digits as its factorization.

4648661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69450.

The product of its digits is 27648, while the sum is 35.

The square root of 4648661 is about 2156.0753697401. The cubic root of 4648661 is about 166.8947308890.

The spelling of 4648661 in words is "four million, six hundred forty-eight thousand, six hundred sixty-one".