988948656 has 40 divisors (see below), whose sum is σ = 2838650160. Its totient is φ = 329649408.

The previous prime is 988948627. The next prime is 988948657. The reversal of 988948656 is 656849889.

It is a junction number, because it is equal to n+sod(n) for n = 988948593 and 988948602.

It is not an unprimeable number, because it can be changed into a prime (988948657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144185 + ... + 1145048.

It is an arithmetic number, because the mean of its divisors is an integer number (70966254).

Almost surely, 2^988948656 is an apocalyptic number.

It is an amenable number.

988948656 is an abundant number, since it is smaller than the sum of its proper divisors (1849701504).

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

988948656 is a wasteful number, since it uses less digits than its factorization.

988948656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289250 (or 2289238 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The square root of 988948656 is about 31447.5540543299. The cubic root of 988948656 is about 996.3025644865.

The spelling of 988948656 in words is "nine hundred eighty-eight million, nine hundred forty-eight thousand, six hundred fifty-six".