1004987312 has 20 divisors (see below), whose sum is σ = 2225329296. Its totient is φ = 430708800.

The previous prime is 1004987293. The next prime is 1004987327. The reversal of 1004987312 is 2137894001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4486439 + ... + 4486662.

Almost surely, 2^1004987312 is an apocalyptic number.

It is an amenable number.

1004987312 is an abundant number, since it is smaller than the sum of its proper divisors (1220341984).

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

1004987312 is an equidigital number, since it uses as much as digits as its factorization.

1004987312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8973116 (or 8973110 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1004987312 is about 31701.5348524326. The cubic root of 1004987312 is about 1001.6596812675.

The spelling of 1004987312 in words is "one billion, four million, nine hundred eighty-seven thousand, three hundred twelve".