16428803 has 8 divisors (see below), whose sum is σ = 16849728. Its totient is φ = 16010944.

The previous prime is 16428779. The next prime is 16428829. The reversal of 16428803 is 30882461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16428803 - 2¹⁴ = 16412419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16428803.

It is not an unprimeable number, because it can be changed into a prime (16428403) 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, 13175 + ... + 14367.

It is an arithmetic number, because the mean of its divisors is an integer number (2106216).

Almost surely, 2^16428803 is an apocalyptic number.

16428803 is a deficient number, since it is larger than the sum of its proper divisors (420925).

16428803 is a wasteful number, since it uses less digits than its factorization.

16428803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 16428803 is about 4053.2459831597. The cubic root of 16428803 is about 254.2154690964.

The spelling of 16428803 in words is "sixteen million, four hundred twenty-eight thousand, eight hundred three".