992947500 has 90 divisors (see below), whose sum is σ = 3136505372. Its totient is φ = 264780000.

The previous prime is 992947499. The next prime is 992947507. The reversal of 992947500 is 5749299.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (992947507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 435 + ... + 44565.

Almost surely, 2^992947500 is an apocalyptic number.

992947500 is a gapful number since it is divisible by the number (90) 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 992947500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568252686).

992947500 is an abundant number, since it is smaller than the sum of its proper divisors (2143557872).

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

992947500 is a wasteful number, since it uses less digits than its factorization.

992947500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44161 (or 44141 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 992947500 is about 31511.0694835958. The cubic root of 992947500 is about 997.6436184942.

The spelling of 992947500 in words is "nine hundred ninety-two million, nine hundred forty-seven thousand, five hundred".