16434428 has 12 divisors (see below), whose sum is σ = 29429400. Its totient is φ = 8026032.

The previous prime is 16434413. The next prime is 16434463. The reversal of 16434428 is 82443461.

It is a junction number, because it is equal to n+sod(n) for n = 16434394 and 16434403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47603 + ... + 47946.

It is an arithmetic number, because the mean of its divisors is an integer number (2452450).

Almost surely, 2^16434428 is an apocalyptic number.

It is an amenable number.

16434428 is a deficient number, since it is larger than the sum of its proper divisors (12994972).

16434428 is a wasteful number, since it uses less digits than its factorization.

16434428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95596 (or 95594 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 16434428 is about 4053.9398120840. The cubic root of 16434428 is about 254.2444790989.

Adding to 16434428 its reverse (82443461), we get a palindrome (98877889).

The spelling of 16434428 in words is "sixteen million, four hundred thirty-four thousand, four hundred twenty-eight".