9042403 has 4 divisors (see below), whose sum is σ = 9354240. Its totient is φ = 8730568.

The previous prime is 9042401. The next prime is 9042409. The reversal of 9042403 is 3042409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3042409 = 211 ⋅14419.

It is a cyclic number.

It is not a de Polignac number, because 9042403 - 2¹ = 9042401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9042401) 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, 155875 + ... + 155932.

It is an arithmetic number, because the mean of its divisors is an integer number (2338560).

Almost surely, 2^9042403 is an apocalyptic number.

9042403 is a deficient number, since it is larger than the sum of its proper divisors (311837).

9042403 is a wasteful number, since it uses less digits than its factorization.

9042403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311836.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 9042403 is about 3007.0588620777. The cubic root of 9042403 is about 208.3345439219.

The spelling of 9042403 in words is "nine million, forty-two thousand, four hundred three".