9209985004 has 12 divisors (see below), whose sum is σ = 17582698728. Its totient is φ = 4186356800.

The previous prime is 9209984989. The next prime is 9209985017. The reversal of 9209985004 is 4005899029.

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 3 ways as a sum of consecutive naturals, for example, 104658877 + ... + 104658964.

It is an arithmetic number, because the mean of its divisors is an integer number (1465224894).

Almost surely, 2^9209985004 is an apocalyptic number.

It is an amenable number.

9209985004 is a deficient number, since it is larger than the sum of its proper divisors (8372713724).

9209985004 is a wasteful number, since it uses less digits than its factorization.

9209985004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209317856 (or 209317854 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 9209985004 is about 95968.6667824452. Note that the first 3 decimals coincide. The cubic root of 9209985004 is about 2096.1368891012.

The spelling of 9209985004 in words is "nine billion, two hundred nine million, nine hundred eighty-five thousand, four".