16428756 has 24 divisors (see below), whose sum is σ = 39150720. Its totient is φ = 5359552.

The previous prime is 16428751. The next prime is 16428757. The reversal of 16428756 is 65782461.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16428751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14001 + ... + 15128.

It is an arithmetic number, because the mean of its divisors is an integer number (1631280).

Almost surely, 2^16428756 is an apocalyptic number.

It is an amenable number.

16428756 is an abundant number, since it is smaller than the sum of its proper divisors (22721964).

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

16428756 is a wasteful number, since it uses less digits than its factorization.

16428756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29183 (or 29181 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 16428756 is about 4053.2401853332. The cubic root of 16428756 is about 254.2152266738.

It can be divided in two parts, 164 and 28756, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 16428756 in words is "sixteen million, four hundred twenty-eight thousand, seven hundred fifty-six".