16442328 has 32 divisors (see below), whose sum is σ = 46978560. Its totient is φ = 4697760.

The previous prime is 16442311. The next prime is 16442341. The reversal of 16442328 is 82324461.

It is a super-3 number, since 3×16442328³ (a number of 23 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16442295 and 16442304.

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, 48768 + ... + 49103.

It is an arithmetic number, because the mean of its divisors is an integer number (1468080).

Almost surely, 2^16442328 is an apocalyptic number.

It is an amenable number.

16442328 is an abundant number, since it is smaller than the sum of its proper divisors (30536232).

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

16442328 is a wasteful number, since it uses less digits than its factorization.

16442328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97887 (or 97883 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 16442328 is about 4054.9140558093. The cubic root of 16442328 is about 254.2852108610.

Adding to 16442328 its reverse (82324461), we get a palindrome (98766789).

It can be divided in two parts, 164423 and 28, that added together give a triangular number (164451 = T₅₇₃).

The spelling of 16442328 in words is "sixteen million, four hundred forty-two thousand, three hundred twenty-eight".