1004969988 has 36 divisors (see below), whose sum is σ = 2771281968. Its totient is φ = 304536240.

The previous prime is 1004969971. The next prime is 1004970007. The reversal of 1004969988 is 8899694001.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1268506 + ... + 1269297.

Almost surely, 2^1004969988 is an apocalyptic number.

1004969988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1004969988 is an abundant number, since it is smaller than the sum of its proper divisors (1766311980).

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

1004969988 is a wasteful number, since it uses less digits than its factorization.

1004969988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537824 (or 2537819 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 1004969988 is about 31701.2616152733. The cubic root of 1004969988 is about 1001.6539256884.

The spelling of 1004969988 in words is "one billion, four million, nine hundred sixty-nine thousand, nine hundred eighty-eight".