16801428 has 24 divisors (see below), whose sum is σ = 44804032. Its totient is φ = 4800384.

The previous prime is 16801417. The next prime is 16801429. The reversal of 16801428 is 82410861.

It is a junction number, because it is equal to n+sod(n) for n = 16801395 and 16801404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16801429) 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, 99925 + ... + 100092.

Almost surely, 2^16801428 is an apocalyptic number.

It is an amenable number.

16801428 is an abundant number, since it is smaller than the sum of its proper divisors (28002604).

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

16801428 is a wasteful number, since it uses less digits than its factorization.

16801428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200031 (or 200029 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 16801428 is about 4098.9545008453. The cubic root of 16801428 is about 256.1230894072.

The spelling of 16801428 in words is "sixteen million, eight hundred one thousand, four hundred twenty-eight".