904980855 has 16 divisors (see below), whose sum is σ = 1461504384. Its totient is φ = 478144800.

The previous prime is 904980847. The next prime is 904980863. The reversal of 904980855 is 558089409.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (904980847) and next prime (904980863).

It is not a de Polignac number, because 904980855 - 2³ = 904980847 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 280321 + ... + 283530.

It is an arithmetic number, because the mean of its divisors is an integer number (91344024).

Almost surely, 2^904980855 is an apocalyptic number.

904980855 is a deficient number, since it is larger than the sum of its proper divisors (556523529).

904980855 is a wasteful number, since it uses less digits than its factorization.

904980855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563966.

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 904980855 is about 30082.8997106329. The cubic root of 904980855 is about 967.2672062417.

The spelling of 904980855 in words is "nine hundred four million, nine hundred eighty thousand, eight hundred fifty-five".