16283988 has 108 divisors (see below), whose sum is σ = 49926240. Its totient is φ = 4383072.

The previous prime is 16283987. The next prime is 16284013. The reversal of 16283988 is 88938261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16283983) 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 35 ways as a sum of consecutive naturals, for example, 90883 + ... + 91061.

It is an arithmetic number, because the mean of its divisors is an integer number (462280).

Almost surely, 2^16283988 is an apocalyptic number.

16283988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16283988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24963120).

16283988 is an abundant number, since it is smaller than the sum of its proper divisors (33642252).

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

16283988 is a wasteful number, since it uses less digits than its factorization.

16283988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 210 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 16283988 is about 4035.3423646576. The cubic root of 16283988 is about 253.4663190667.

It can be divided in two parts, 16283 and 988, that added together give a palindrome (17271).

The spelling of 16283988 in words is "sixteen million, two hundred eighty-three thousand, nine hundred eighty-eight".