904321047 has 16 divisors (see below), whose sum is σ = 1380379392. Its totient is φ = 515867520.

The previous prime is 904321037. The next prime is 904321087. The reversal of 904321047 is 740123409.

It is a happy number.

It is not a de Polignac number, because 904321047 - 2⁷ = 904320919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904321037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24354 + ... + 49007.

It is an arithmetic number, because the mean of its divisors is an integer number (86273712).

Almost surely, 2^904321047 is an apocalyptic number.

904321047 is a deficient number, since it is larger than the sum of its proper divisors (476058345).

904321047 is a wasteful number, since it uses less digits than its factorization.

904321047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73958.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 904321047 is about 30071.9312150051. The cubic root of 904321047 is about 967.0320757401.

The spelling of 904321047 in words is "nine hundred four million, three hundred twenty-one thousand, forty-seven".