4821644 has 6 divisors (see below), whose sum is σ = 8437884. Its totient is φ = 2410820.

The previous prime is 4821643. The next prime is 4821653. The reversal of 4821644 is 4461284.

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 as a sum of consecutive naturals, namely, 602702 + ... + 602709.

It is an arithmetic number, because the mean of its divisors is an integer number (1406314).

Almost surely, 2^4821644 is an apocalyptic number.

It is an amenable number.

4821644 is a deficient number, since it is larger than the sum of its proper divisors (3616240).

4821644 is a wasteful number, since it uses less digits than its factorization.

4821644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205415 (or 1205413 counting only the distinct ones).

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

The square root of 4821644 is about 2195.8242188299. The cubic root of 4821644 is about 168.9396981503.

The spelling of 4821644 in words is "four million, eight hundred twenty-one thousand, six hundred forty-four".