8928431 has 2 divisors, whose sum is σ = 8928432. Its totient is φ = 8928430.

The previous prime is 8928421. The next prime is 8928457. The reversal of 8928431 is 1348298.

It is a happy number.

8928431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8928431 - 2¹⁰ = 8927407 is a prime.

It is a super-2 number, since 2×8928431² = 159433760243522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8928391 and 8928400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8928421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4464215 + 4464216.

It is an arithmetic number, because the mean of its divisors is an integer number (4464216).

Almost surely, 2^8928431 is an apocalyptic number.

8928431 is a deficient number, since it is larger than the sum of its proper divisors (1).

8928431 is an equidigital number, since it uses as much as digits as its factorization.

8928431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 8928431 is about 2988.0480250491. The cubic root of 8928431 is about 207.4555457099.

The spelling of 8928431 in words is "eight million, nine hundred twenty-eight thousand, four hundred thirty-one".