4738821 has 16 divisors (see below), whose sum is σ = 6592320. Its totient is φ = 3025280.

The previous prime is 4738817. The next prime is 4738831. The reversal of 4738821 is 1288374.

It is a cyclic number.

It is not a de Polignac number, because 4738821 - 2² = 4738817 is a prime.

4738821 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4738831) 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, 6931 + ... + 7583.

It is an arithmetic number, because the mean of its divisors is an integer number (412020).

Almost surely, 2^4738821 is an apocalyptic number.

4738821 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4738821 is a deficient number, since it is larger than the sum of its proper divisors (1853499).

4738821 is a wasteful number, since it uses less digits than its factorization.

4738821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its digits is 10752, while the sum is 33.

The square root of 4738821 is about 2176.8833225508. The cubic root of 4738821 is about 167.9667947413.

The spelling of 4738821 in words is "four million, seven hundred thirty-eight thousand, eight hundred twenty-one".