128883804 has 24 divisors (see below), whose sum is σ = 343690368. Its totient is φ = 36823920.

The previous prime is 128883751. The next prime is 128883829. The reversal of 128883804 is 408388821.

It is a super-2 number, since 2×128883804² = 33222069867020832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767082 + ... + 767249.

It is an arithmetic number, because the mean of its divisors is an integer number (14320432).

Almost surely, 2^128883804 is an apocalyptic number.

128883804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128883804 is an abundant number, since it is smaller than the sum of its proper divisors (214806564).

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

128883804 is a wasteful number, since it uses less digits than its factorization.

128883804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534345 (or 1534343 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 128883804 is about 11352.7002955244. The cubic root of 128883804 is about 505.1256805773.

The spelling of 128883804 in words is "one hundred twenty-eight million, eight hundred eighty-three thousand, eight hundred four".