9438623 has 2 divisors, whose sum is σ = 9438624. Its totient is φ = 9438622.

The previous prime is 9438619. The next prime is 9438661. The reversal of 9438623 is 3268349.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9438623 - 2² = 9438619 is a prime.

It is a super-2 number, since 2×9438623² = 178175208272258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 9² + 4¹⁰ + 3³ + 8 + 6⁴ + 2²³ + 3³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9438613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4719311 + 4719312.

It is an arithmetic number, because the mean of its divisors is an integer number (4719312).

Almost surely, 2^9438623 is an apocalyptic number.

9438623 is a deficient number, since it is larger than the sum of its proper divisors (1).

9438623 is an equidigital number, since it uses as much as digits as its factorization.

9438623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 9438623 is about 3072.2342033120. The cubic root of 9438623 is about 211.3340843803.

The spelling of 9438623 in words is "nine million, four hundred thirty-eight thousand, six hundred twenty-three".