9723434 has 16 divisors (see below), whose sum is σ = 17394048. Its totient is φ = 3985872.

The previous prime is 9723431. The next prime is 9723449. The reversal of 9723434 is 4343279.

It is a d-powerful number, because it can be written as 9 + 7⁵ + 2²³ + 3⁶ + 4⁹ + 3⁸ + 4¹⁰ .

It is a self number, because there is not a number n which added to its sum of digits gives 9723434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9723431) 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 in 7 ways as a sum of consecutive naturals, for example, 14777 + ... + 15420.

It is an arithmetic number, because the mean of its divisors is an integer number (1087128).

Almost surely, 2^9723434 is an apocalyptic number.

9723434 is a deficient number, since it is larger than the sum of its proper divisors (7670614).

9723434 is a wasteful number, since it uses less digits than its factorization.

9723434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30229.

The product of its digits is 18144, while the sum is 32.

The square root of 9723434 is about 3118.2421329974. The cubic root of 9723434 is about 213.4387277622.

The spelling of 9723434 in words is "nine million, seven hundred twenty-three thousand, four hundred thirty-four".