9404623 has 4 divisors (see below), whose sum is σ = 9658840. Its totient is φ = 9150408.

The previous prime is 9404609. The next prime is 9404641. The reversal of 9404623 is 3264049.

9404623 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9404623 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9404591 and 9404600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9404693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127053 + ... + 127126.

It is an arithmetic number, because the mean of its divisors is an integer number (2414710).

Almost surely, 2^9404623 is an apocalyptic number.

9404623 is a deficient number, since it is larger than the sum of its proper divisors (254217).

9404623 is a wasteful number, since it uses less digits than its factorization.

9404623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254216.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 9404623 is about 3066.6957788473. The cubic root of 9404623 is about 211.0800217581.

The spelling of 9404623 in words is "nine million, four hundred four thousand, six hundred twenty-three".