988564620 has 48 divisors (see below), whose sum is σ = 2930806368. Its totient is φ = 248110080.

The previous prime is 988564607. The next prime is 988564627. The reversal of 988564620 is 26465889.

It is a happy number.

988564620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 988564620.

It is not an unprimeable number, because it can be changed into a prime (988564627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483571 + ... + 485610.

It is an arithmetic number, because the mean of its divisors is an integer number (61058466).

Almost surely, 2^988564620 is an apocalyptic number.

It is an amenable number.

988564620 is an abundant number, since it is smaller than the sum of its proper divisors (1942241748).

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

988564620 is a wasteful number, since it uses less digits than its factorization.

988564620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969210 (or 969208 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 988564620 is about 31441.4474857631. The cubic root of 988564620 is about 996.1735838811.

The spelling of 988564620 in words is "nine hundred eighty-eight million, five hundred sixty-four thousand, six hundred twenty".