4821646 has 8 divisors (see below), whose sum is σ = 7253280. Its totient is φ = 2403888.

The previous prime is 4821643. The next prime is 4821653. The reversal of 4821646 is 6461284.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821643) 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, 2551 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (906660).

Almost surely, 2^4821646 is an apocalyptic number.

4821646 is a deficient number, since it is larger than the sum of its proper divisors (2431634).

4821646 is a wasteful number, since it uses less digits than its factorization.

4821646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938.

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

The square root of 4821646 is about 2195.8246742397. The cubic root of 4821646 is about 168.9397215088.

The spelling of 4821646 in words is "four million, eight hundred twenty-one thousand, six hundred forty-six".