4721244 has 48 divisors (see below), whose sum is σ = 12289536. Its totient is φ = 1398400.

The previous prime is 4721243. The next prime is 4721261. The reversal of 4721244 is 4421274.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 7³ + 2¹¹ + 1 + 2¹⁹ + 4⁴ + 4¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721243) 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, 5824 + ... + 6584.

It is an arithmetic number, because the mean of its divisors is an integer number (256032).

Almost surely, 2^4721244 is an apocalyptic number.

4721244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4721244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6144768).

4721244 is an abundant number, since it is smaller than the sum of its proper divisors (7568292).

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

4721244 is a wasteful number, since it uses less digits than its factorization.

4721244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 824 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 4721244 is about 2172.8423780845. The cubic root of 4721244 is about 167.7588660792.

The spelling of 4721244 in words is "four million, seven hundred twenty-one thousand, two hundred forty-four".