819495984 has 40 divisors (see below), whose sum is σ = 2118346560. Its totient is φ = 272995648.

The previous prime is 819495979. The next prime is 819496039. The reversal of 819495984 is 489594918.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90679 + ... + 99305.

It is an arithmetic number, because the mean of its divisors is an integer number (52958664).

Almost surely, 2^819495984 is an apocalyptic number.

It is an amenable number.

819495984 is an abundant number, since it is smaller than the sum of its proper divisors (1298850576).

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

819495984 is a wasteful number, since it uses less digits than its factorization.

819495984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10617 (or 10611 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 57.

The square root of 819495984 is about 28626.8402727231. The cubic root of 819495984 is about 935.7983530841.

The spelling of 819495984 in words is "eight hundred nineteen million, four hundred ninety-five thousand, nine hundred eighty-four".