9749023 has 2 divisors, whose sum is σ = 9749024. Its totient is φ = 9749022.

The previous prime is 9748997. The next prime is 9749029. The reversal of 9749023 is 3209479.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9749023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9749023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9749029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4874511 + 4874512.

It is an arithmetic number, because the mean of its divisors is an integer number (4874512).

Almost surely, 2^9749023 is an apocalyptic number.

9749023 is a deficient number, since it is larger than the sum of its proper divisors (1).

9749023 is an equidigital number, since it uses as much as digits as its factorization.

9749023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 9749023 is about 3122.3425500736. The cubic root of 9749023 is about 213.6257981414.

The spelling of 9749023 in words is "nine million, seven hundred forty-nine thousand, twenty-three".