4821231 has 16 divisors (see below), whose sum is σ = 6935040. Its totient is φ = 2969280.

The previous prime is 4821209. The next prime is 4821239. The reversal of 4821231 is 1321284.

4821231 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4821231 - 2⁵ = 4821199 is a prime.

It is a super-2 number, since 2×4821231² = 46488536710722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4821198 and 4821207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821239) 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, 1306 + ... + 3368.

It is an arithmetic number, because the mean of its divisors is an integer number (433440).

Almost surely, 2^4821231 is an apocalyptic number.

4821231 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4821231 is a deficient number, since it is larger than the sum of its proper divisors (2113809).

4821231 is a wasteful number, since it uses less digits than its factorization.

4821231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126.

The product of its digits is 384, while the sum is 21.

The square root of 4821231 is about 2195.7301746799. The cubic root of 4821231 is about 168.9348744783.

The spelling of 4821231 in words is "four million, eight hundred twenty-one thousand, two hundred thirty-one".