128847396 has 12 divisors (see below), whose sum is σ = 300643952. Its totient is φ = 42949128.

The previous prime is 128847391. The next prime is 128847401. The reversal of 128847396 is 693748821.

It is an interprime number because it is at equal distance from previous prime (128847391) and next prime (128847401).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (128847391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5368630 + ... + 5368653.

Almost surely, 2^128847396 is an apocalyptic number.

It is an amenable number.

128847396 is an abundant number, since it is smaller than the sum of its proper divisors (171796556).

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

128847396 is a wasteful number, since it uses less digits than its factorization.

128847396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737290 (or 10737288 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 128847396 is about 11351.0966871047. The cubic root of 128847396 is about 505.0781122840.

It can be divided in two parts, 1288 and 47396, that added together give a palindrome (48684).

The spelling of 128847396 in words is "one hundred twenty-eight million, eight hundred forty-seven thousand, three hundred ninety-six".