9404863 has 4 divisors (see below), whose sum is σ = 10128328. Its totient is φ = 8681400.

The previous prime is 9404849. The next prime is 9404869. The reversal of 9404863 is 3684049.

9404863 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3684049 = 839 ⋅4391.

It is a de Polignac number, because none of the positive numbers 2^k-9404863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9404869) 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, 361713 + ... + 361738.

It is an arithmetic number, because the mean of its divisors is an integer number (2532082).

Almost surely, 2^9404863 is an apocalyptic number.

9404863 is a deficient number, since it is larger than the sum of its proper divisors (723465).

9404863 is a wasteful number, since it uses less digits than its factorization.

9404863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723464.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 9404863 is about 3066.7349086610. The cubic root of 9404863 is about 211.0818172855.

The spelling of 9404863 in words is "nine million, four hundred four thousand, eight hundred sixty-three".