9428231 has 4 divisors (see below), whose sum is σ = 9496200. Its totient is φ = 9360264.

The previous prime is 9428227. The next prime is 9428233. The reversal of 9428231 is 1328249.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9428231 - 2² = 9428227 is a prime.

It is a super-2 number, since 2×9428231² = 177783079578722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9428194 and 9428203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9428233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33776 + ... + 34053.

It is an arithmetic number, because the mean of its divisors is an integer number (2374050).

Almost surely, 2^9428231 is an apocalyptic number.

9428231 is a deficient number, since it is larger than the sum of its proper divisors (67969).

9428231 is a wasteful number, since it uses less digits than its factorization.

9428231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67968.

The product of its digits is 3456, while the sum is 29.

The square root of 9428231 is about 3070.5424602177. The cubic root of 9428231 is about 211.2564957213.

The spelling of 9428231 in words is "nine million, four hundred twenty-eight thousand, two hundred thirty-one".