4648621 has 4 divisors (see below), whose sum is σ = 4762044. Its totient is φ = 4535200.

The previous prime is 4648619. The next prime is 4648639. The reversal of 4648621 is 1268464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2368521 + 2280100 = 1539^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 4648621 - 2¹ = 4648619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4648681) 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, 56650 + ... + 56731.

It is an arithmetic number, because the mean of its divisors is an integer number (1190511).

Almost surely, 2^4648621 is an apocalyptic number.

4648621 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4648621 is a deficient number, since it is larger than the sum of its proper divisors (113423).

4648621 is a wasteful number, since it uses less digits than its factorization.

4648621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113422.

The product of its digits is 9216, while the sum is 31.

The square root of 4648621 is about 2156.0660936066. The cubic root of 4648621 is about 166.8942521986.

The spelling of 4648621 in words is "four million, six hundred forty-eight thousand, six hundred twenty-one".