4648421 has 8 divisors (see below), whose sum is σ = 4842264. Its totient is φ = 4458240.

The previous prime is 4648417. The next prime is 4648447. The reversal of 4648421 is 1248464.

It can be written as a sum of positive squares in 4 ways, for example, as 2292196 + 2356225 = 1514^2 + 1535^2 .

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 4648421 - 2² = 4648417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4648321) 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, 1841 + ... + 3561.

It is an arithmetic number, because the mean of its divisors is an integer number (605283).

Almost surely, 2^4648421 is an apocalyptic number.

It is an amenable number.

4648421 is a deficient number, since it is larger than the sum of its proper divisors (193843).

4648421 is a wasteful number, since it uses less digits than its factorization.

4648421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831.

The product of its digits is 6144, while the sum is 29.

The square root of 4648421 is about 2156.0197123403. The cubic root of 4648421 is about 166.8918587053.

The spelling of 4648421 in words is "four million, six hundred forty-eight thousand, four hundred twenty-one".