4721850 has 72 divisors (see below), whose sum is σ = 14508000. Its totient is φ = 1078560.

The previous prime is 4721839. The next prime is 4721879. The reversal of 4721850 is 581274.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2401 + ... + 3899.

It is an arithmetic number, because the mean of its divisors is an integer number (201500).

Almost surely, 2^4721850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4721850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7254000).

4721850 is an abundant number, since it is smaller than the sum of its proper divisors (9786150).

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

4721850 is a wasteful number, since it uses less digits than its factorization.

4721850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 4721850 is about 2172.9818222894. The cubic root of 4721850 is about 167.7660433912.

The spelling of 4721850 in words is "four million, seven hundred twenty-one thousand, eight hundred fifty".