904226890 has 128 divisors (see below), whose sum is σ = 1990656000. Its totient is φ = 295364160.

The previous prime is 904226863. The next prime is 904226893. The reversal of 904226890 is 98622409.

904226890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (904226893) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11445871 + ... + 11445949.

It is an arithmetic number, because the mean of its divisors is an integer number (15552000).

Almost surely, 2^904226890 is an apocalyptic number.

904226890 is an abundant number, since it is smaller than the sum of its proper divisors (1086429110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

904226890 is a wasteful number, since it uses less digits than its factorization.

904226890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 904226890 is about 30070.3656446010. The cubic root of 904226890 is about 966.9985124388.

The spelling of 904226890 in words is "nine hundred four million, two hundred twenty-six thousand, eight hundred ninety".