904889361 has 4 divisors (see below), whose sum is σ = 1206519152. Its totient is φ = 603259572.

The previous prime is 904889347. The next prime is 904889371. The reversal of 904889361 is 163988409.

904889361 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 904889361 - 2¹⁰ = 904888337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 904889361.

It is not an unprimeable number, because it can be changed into a prime (904889371) 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, 150814891 + ... + 150814896.

It is an arithmetic number, because the mean of its divisors is an integer number (301629788).

Almost surely, 2^904889361 is an apocalyptic number.

It is an amenable number.

904889361 is a deficient number, since it is larger than the sum of its proper divisors (301629791).

904889361 is a wasteful number, since it uses less digits than its factorization.

904889361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301629790.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 904889361 is about 30081.3789743755. The cubic root of 904889361 is about 967.2346080830.

The spelling of 904889361 in words is "nine hundred four million, eight hundred eighty-nine thousand, three hundred sixty-one".