4721885 has 12 divisors (see below), whose sum is σ = 6591708. Its totient is φ = 3237696.

The previous prime is 4721879. The next prime is 4721887. The reversal of 4721885 is 5881274.

It can be written as a sum of positive squares in 2 ways, for example, as 2393209 + 2328676 = 1547^2 + 1526^2 .

It is not a de Polignac number, because 4721885 - 2²² = 527581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9392 + ... + 9881.

It is an arithmetic number, because the mean of its divisors is an integer number (549309).

Almost surely, 2^4721885 is an apocalyptic number.

It is an amenable number.

4721885 is a deficient number, since it is larger than the sum of its proper divisors (1869823).

4721885 is a wasteful number, since it uses less digits than its factorization.

4721885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19292 (or 19285 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 4721885 is about 2172.9898757242. The cubic root of 4721885 is about 167.7664579036.

The spelling of 4721885 in words is "four million, seven hundred twenty-one thousand, eight hundred eighty-five".