16276728 has 48 divisors (see below), whose sum is σ = 44073720. Its totient is φ = 5006976.

The previous prime is 16276727. The next prime is 16276739. The reversal of 16276728 is 82767261.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16276721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050 + ... + 6062.

Almost surely, 2^16276728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16276728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22036860).

16276728 is an abundant number, since it is smaller than the sum of its proper divisors (27796992).

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

16276728 is a wasteful number, since it uses less digits than its factorization.

16276728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048 (or 4031 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 16276728 is about 4034.4427124449. The cubic root of 16276728 is about 253.4286452688.

The spelling of 16276728 in words is "sixteen million, two hundred seventy-six thousand, seven hundred twenty-eight".