9899004 has 24 divisors (see below), whose sum is σ = 23154768. Its totient is φ = 3291520.

The previous prime is 9899003. The next prime is 9899009. The reversal of 9899004 is 4009989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9899003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5944 + ... + 7424.

It is an arithmetic number, because the mean of its divisors is an integer number (964782).

Almost surely, 2^9899004 is an apocalyptic number.

It is an amenable number.

9899004 is an abundant number, since it is smaller than the sum of its proper divisors (13255764).

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

9899004 is a wasteful number, since it uses less digits than its factorization.

9899004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9899004 is about 3146.2682657396. The cubic root of 9899004 is about 214.7157158515.

The spelling of 9899004 in words is "nine million, eight hundred ninety-nine thousand, four".