983888388 has 72 divisors (see below), whose sum is σ = 2965941888. Its totient is φ = 268887168.

The previous prime is 983888383. The next prime is 983888407. The reversal of 983888388 is 883888389.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (983888383) 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 23 ways as a sum of consecutive naturals, for example, 79081 + ... + 90672.

Almost surely, 2^983888388 is an apocalyptic number.

It is an amenable number.

983888388 is an abundant number, since it is smaller than the sum of its proper divisors (1982053500).

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

983888388 is a wasteful number, since it uses less digits than its factorization.

983888388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169793 (or 169788 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 63.

The square root of 983888388 is about 31366.9952019635. The cubic root of 983888388 is about 994.6003590215.

Subtracting from 983888388 its reverse (883888389), we obtain a palindrome (99999999).

The spelling of 983888388 in words is "nine hundred eighty-three million, eight hundred eighty-eight thousand, three hundred eighty-eight".