990207936 has 112 divisors (see below), whose sum is σ = 2918764800. Its totient is φ = 329193216.

The previous prime is 990207917. The next prime is 990207947. The reversal of 990207936 is 639702099.

990207936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 990207891 and 990207900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179805 + ... + 1180643.

It is an arithmetic number, because the mean of its divisors is an integer number (26060400).

Almost surely, 2^990207936 is an apocalyptic number.

990207936 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 990207936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459382400).

990207936 is an abundant number, since it is smaller than the sum of its proper divisors (1928556864).

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

990207936 is a wasteful number, since it uses less digits than its factorization.

990207936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 990207936 is about 31467.5695915652. The cubic root of 990207936 is about 996.7252664931.

The spelling of 990207936 in words is "nine hundred ninety million, two hundred seven thousand, nine hundred thirty-six".