4728231 has 6 divisors (see below), whose sum is σ = 6829680. Its totient is φ = 3152148.

The previous prime is 4728221. The next prime is 4728233. The reversal of 4728231 is 1328274.

It is not a de Polignac number, because 4728231 - 2¹³ = 4720039 is a prime.

It is a super-2 number, since 2×4728231² = 44712336778722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4 + 7⁴ + 2⁴ + 8² + 2²² + 3¹² + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 4728195 and 4728204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262671 + ... + 262688.

It is an arithmetic number, because the mean of its divisors is an integer number (1138280).

Almost surely, 2^4728231 is an apocalyptic number.

4728231 is a deficient number, since it is larger than the sum of its proper divisors (2101449).

4728231 is a wasteful number, since it uses less digits than its factorization.

4728231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525365 (or 525362 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 4728231 is about 2174.4495855273. The cubic root of 4728231 is about 167.8415811049.

The spelling of 4728231 in words is "four million, seven hundred twenty-eight thousand, two hundred thirty-one".