988345650 has 48 divisors (see below), whose sum is σ = 2557675584. Its totient is φ = 252098880.

The previous prime is 988345649. The next prime is 988345663. The reversal of 988345650 is 56543889.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 988345650.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 139789 + ... + 146688.

It is an arithmetic number, because the mean of its divisors is an integer number (53284908).

Almost surely, 2^988345650 is an apocalyptic number.

988345650 is an abundant number, since it is smaller than the sum of its proper divisors (1569329934).

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

988345650 is a wasteful number, since it uses less digits than its factorization.

988345650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286515 (or 286510 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 988345650 is about 31437.9651059034. The cubic root of 988345650 is about 996.1000266471.

The spelling of 988345650 in words is "nine hundred eighty-eight million, three hundred forty-five thousand, six hundred fifty".