9628831 has 2 divisors, whose sum is σ = 9628832. Its totient is φ = 9628830.

The previous prime is 9628813. The next prime is 9628837. The reversal of 9628831 is 1388269.

Together with previous prime (9628813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (1388269) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9628831 - 2¹¹ = 9626783 is a prime.

It is a super-2 number, since 2×9628831² = 185428772853122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9628837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4814415 + 4814416.

It is an arithmetic number, because the mean of its divisors is an integer number (4814416).

Almost surely, 2^9628831 is an apocalyptic number.

9628831 is a deficient number, since it is larger than the sum of its proper divisors (1).

9628831 is an equidigital number, since it uses as much as digits as its factorization.

9628831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 9628831 is about 3103.0357716275. The cubic root of 9628831 is about 212.7442616823.

The spelling of 9628831 in words is "nine million, six hundred twenty-eight thousand, eight hundred thirty-one".