990200004 has 12 divisors (see below), whose sum is σ = 2310466704. Its totient is φ = 330066664.

The previous prime is 990199993. The next prime is 990200011. The reversal of 990200004 is 400002099.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41258322 + ... + 41258345.

It is an arithmetic number, because the mean of its divisors is an integer number (192538892).

Almost surely, 2^990200004 is an apocalyptic number.

It is an amenable number.

990200004 is an abundant number, since it is smaller than the sum of its proper divisors (1320266700).

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

990200004 is a wasteful number, since it uses less digits than its factorization.

990200004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82516674 (or 82516672 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 990200004 is about 31467.4435567937. The cubic root of 990200004 is about 996.7226050837.

The spelling of 990200004 in words is "nine hundred ninety million, two hundred thousand, four".