980635500 has 144 divisors (see below), whose sum is σ = 3331744416. Its totient is φ = 241372800.

The previous prime is 980635489. The next prime is 980635501. The reversal of 980635500 is 5536089.

980635500 is a `hidden beast` number, since 98 + 0 + 63 + 5 + 500 = 666.

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 (980635501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50119 + ... + 66881.

It is an arithmetic number, because the mean of its divisors is an integer number (23137114).

Almost surely, 2^980635500 is an apocalyptic number.

980635500 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 980635500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665872208).

980635500 is an abundant number, since it is smaller than the sum of its proper divisors (2351108916).

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

980635500 is a wasteful number, since it uses less digits than its factorization.

980635500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16801 (or 16786 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 980635500 is about 31315.1001914412. The cubic root of 980635500 is about 993.5030476903.

The spelling of 980635500 in words is "nine hundred eighty million, six hundred thirty-five thousand, five hundred".