16028388 has 24 divisors (see below), whose sum is σ = 41555360. Its totient is φ = 5342760.

The previous prime is 16028359. The next prime is 16028407. The reversal of 16028388 is 88382061.

16028388 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 74098 + ... + 74313.

Almost surely, 2^16028388 is an apocalyptic number.

16028388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16028388 is an abundant number, since it is smaller than the sum of its proper divisors (25526972).

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

16028388 is a wasteful number, since it uses less digits than its factorization.

16028388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148424 (or 148416 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 16028388 is about 4003.5469274132. The cubic root of 16028388 is about 252.1331495898.

The spelling of 16028388 in words is "sixteen million, twenty-eight thousand, three hundred eighty-eight".