904134403 has 4 divisors (see below), whose sum is σ = 906986880. Its totient is φ = 901281928.

The previous prime is 904134401. The next prime is 904134449. The reversal of 904134403 is 304431409.

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

It is a cyclic number.

It is not a de Polignac number, because 904134403 - 2¹ = 904134401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904134401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425763 + ... + 1426396.

It is an arithmetic number, because the mean of its divisors is an integer number (226746720).

Almost surely, 2^904134403 is an apocalyptic number.

904134403 is a deficient number, since it is larger than the sum of its proper divisors (2852477).

904134403 is a wasteful number, since it uses less digits than its factorization.

904134403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852476.

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

The square root of 904134403 is about 30068.8277623189. The cubic root of 904134403 is about 966.9655421589.

The spelling of 904134403 in words is "nine hundred four million, one hundred thirty-four thousand, four hundred three".