4821438 has 16 divisors (see below), whose sum is σ = 10210320. Its totient is φ = 1512576.

The previous prime is 4821407. The next prime is 4821451. The reversal of 4821438 is 8341284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23533 + ... + 23736.

It is an arithmetic number, because the mean of its divisors is an integer number (638145).

Almost surely, 2^4821438 is an apocalyptic number.

4821438 is an abundant number, since it is smaller than the sum of its proper divisors (5388882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4821438 is a wasteful number, since it uses less digits than its factorization.

4821438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47291.

The product of its digits is 6144, while the sum is 30.

The square root of 4821438 is about 2195.7773111133. Note that the first 3 decimals coincide. The cubic root of 4821438 is about 168.9372921885.

The spelling of 4821438 in words is "four million, eight hundred twenty-one thousand, four hundred thirty-eight".