904980856 has 32 divisors (see below), whose sum is σ = 1934861040. Its totient is φ = 393113088.

The previous prime is 904980847. The next prime is 904980863. The reversal of 904980856 is 658089409.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 254166 + ... + 257701.

Almost surely, 2^904980856 is an apocalyptic number.

It is an amenable number.

904980856 is an abundant number, since it is smaller than the sum of its proper divisors (1029880184).

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

904980856 is a wasteful number, since it uses less digits than its factorization.

904980856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511903 (or 511899 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 904980856 is about 30082.8997272537. The cubic root of 904980856 is about 967.2672065979.

The spelling of 904980856 in words is "nine hundred four million, nine hundred eighty thousand, eight hundred fifty-six".