16428835 has 8 divisors (see below), whose sum is σ = 19736496. Its totient is φ = 13128480.

The previous prime is 16428829. The next prime is 16428857. The reversal of 16428835 is 53882461.

16428835 = T₂₅₆₁ + T₂₅₆₂ + ... + T₂₅₆₅.

It is a happy number.

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

It is not a de Polignac number, because 16428835 - 2⁷ = 16428707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16428794 and 16428803.

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, 7092 + ... + 9118.

It is an arithmetic number, because the mean of its divisors is an integer number (2467062).

Almost surely, 2^16428835 is an apocalyptic number.

16428835 is the 2027-th decagonal number.

16428835 is a deficient number, since it is larger than the sum of its proper divisors (3307661).

16428835 is a wasteful number, since it uses less digits than its factorization.

16428835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653.

The product of its digits is 46080, while the sum is 37.

The square root of 16428835 is about 4053.2499306112. The cubic root of 16428835 is about 254.2156341498.

The spelling of 16428835 in words is "sixteen million, four hundred twenty-eight thousand, eight hundred thirty-five".