9994523 has 16 divisors (see below), whose sum is σ = 12531456. Its totient is φ = 7743840.

The previous prime is 9994507. The next prime is 9994553. The reversal of 9994523 is 3254999.

It is a cyclic number.

It is not a de Polignac number, because 9994523 - 2⁴ = 9994507 is a prime.

It is a d-powerful number, because it can be written as 9² + 9³ + 9⁴ + 4⁶ + 5³ + 2²³ + 3¹³ .

It is not an unprimeable number, because it can be changed into a prime (9994553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22340 + ... + 22782.

It is an arithmetic number, because the mean of its divisors is an integer number (783216).

Almost surely, 2^9994523 is an apocalyptic number.

9994523 is a deficient number, since it is larger than the sum of its proper divisors (2536933).

9994523 is a wasteful number, since it uses less digits than its factorization.

9994523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its digits is 87480, while the sum is 41.

The square root of 9994523 is about 3161.4115518230. The cubic root of 9994523 is about 215.4041290242.

The spelling of 9994523 in words is "nine million, nine hundred ninety-four thousand, five hundred twenty-three".