4660621 has 4 divisors (see below), whose sum is σ = 5326432. Its totient is φ = 3994812.

The previous prime is 4660597. The next prime is 4660627. The reversal of 4660621 is 1260664.

It is a happy number.

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 4660621 - 2⁵ = 4660589 is a prime.

It is a Duffinian number.

4660621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4660627) 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, 332895 + ... + 332908.

It is an arithmetic number, because the mean of its divisors is an integer number (1331608).

Almost surely, 2^4660621 is an apocalyptic number.

It is an amenable number.

4660621 is a deficient number, since it is larger than the sum of its proper divisors (665811).

4660621 is an equidigital number, since it uses as much as digits as its factorization.

4660621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665810.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4660621 is about 2158.8471460481. The cubic root of 4660621 is about 167.0377363418.

The spelling of 4660621 in words is "four million, six hundred sixty thousand, six hundred twenty-one".