988470945 has 160 divisors (see below), whose sum is σ = 2287422720. Its totient is φ = 396264960.

The previous prime is 988470913. The next prime is 988470949. The reversal of 988470945 is 549074889.

988470945 is a `hidden beast` number, since 9 + 88 + 470 + 94 + 5 = 666.

It is not a de Polignac number, because 988470945 - 2⁵ = 988470913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 988470891 and 988470900.

It is not an unprimeable number, because it can be changed into a prime (988470949) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 903819 + ... + 904911.

It is an arithmetic number, because the mean of its divisors is an integer number (14296392).

Almost surely, 2^988470945 is an apocalyptic number.

It is an amenable number.

988470945 is an abundant number, since it is smaller than the sum of its proper divisors (1298951775).

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

988470945 is a wasteful number, since it uses less digits than its factorization.

988470945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 988470945 is about 31439.9577766892. The cubic root of 988470945 is about 996.1421175489.

The spelling of 988470945 in words is "nine hundred eighty-eight million, four hundred seventy thousand, nine hundred forty-five".