4648021 has 16 divisors (see below), whose sum is σ = 5685120. Its totient is φ = 3709440.

The previous prime is 4648009. The next prime is 4648031. The reversal of 4648021 is 1208464.

It is not a de Polignac number, because 4648021 - 2⁷ = 4647893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4648031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16401 + ... + 16681.

It is an arithmetic number, because the mean of its divisors is an integer number (355320).

Almost surely, 2^4648021 is an apocalyptic number.

It is an amenable number.

4648021 is a deficient number, since it is larger than the sum of its proper divisors (1037099).

4648021 is a wasteful number, since it uses less digits than its factorization.

4648021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 4648021 is about 2155.9269468143. The cubic root of 4648021 is about 166.8870715129.

It can be divided in two parts, 4 and 648021, that added together give a square (648025 = 805²).

The spelling of 4648021 in words is "four million, six hundred forty-eight thousand, twenty-one".