996855900 has 216 divisors, whose sum is σ = 3152298240. Its totient is φ = 242438400.

The previous prime is 996855883. The next prime is 996855901. The reversal of 996855900 is 9558699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996855901) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16341870 + ... + 16341930.

Almost surely, 2^996855900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996855900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576149120).

996855900 is an abundant number, since it is smaller than the sum of its proper divisors (2155442340).

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

996855900 is a wasteful number, since it uses less digits than its factorization.

996855900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 51.

The square root of 996855900 is about 31573.0248788424. The cubic root of 996855900 is about 998.9508663702.

The spelling of 996855900 in words is "nine hundred ninety-six million, eight hundred fifty-five thousand, nine hundred".