997800300 has 216 divisors, whose sum is σ = 3594269952. Its totient is φ = 226800000.

The previous prime is 997800277. The next prime is 997800301. The reversal of 997800300 is 3008799.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (997800301) 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, 1580985 + ... + 1581615.

Almost surely, 2^997800300 is an apocalyptic number.

997800300 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 997800300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797134976).

997800300 is an abundant number, since it is smaller than the sum of its proper divisors (2596469652).

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

997800300 is a wasteful number, since it uses less digits than its factorization.

997800300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 997800300 is about 31587.9771432107. The cubic root of 997800300 is about 999.2662283776.

The spelling of 997800300 in words is "nine hundred ninety-seven million, eight hundred thousand, three hundred".