988622500 has 30 divisors (see below), whose sum is σ = 2161925150. Its totient is φ = 395448000.

The previous prime is 988622477. The next prime is 988622507. The reversal of 988622500 is 5226889.

It can be written as a sum of positive squares in 5 ways, for example, as 391406656 + 597215844 = 19784^2 + 24438^2 .

It is not an unprimeable number, because it can be changed into a prime (988622507) 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 9 ways as a sum of consecutive naturals, for example, 195225 + ... + 200224.

Almost surely, 2^988622500 is an apocalyptic number.

It is an amenable number.

988622500 is an abundant number, since it is smaller than the sum of its proper divisors (1173302650).

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

988622500 is a wasteful number, since it uses less digits than its factorization.

988622500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395473 (or 395456 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 988622500 is about 31442.3679133745. The cubic root of 988622500 is about 996.1930253355.

The spelling of 988622500 in words is "nine hundred eighty-eight million, six hundred twenty-two thousand, five hundred".