16354428 has 12 divisors (see below), whose sum is σ = 38160360. Its totient is φ = 5451472.

The previous prime is 16354397. The next prime is 16354441. The reversal of 16354428 is 82445361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

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, 681423 + ... + 681446.

It is an arithmetic number, because the mean of its divisors is an integer number (3180030).

Almost surely, 2^16354428 is an apocalyptic number.

It is an amenable number.

16354428 is an abundant number, since it is smaller than the sum of its proper divisors (21805932).

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

16354428 is a wasteful number, since it uses less digits than its factorization.

16354428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362876 (or 1362874 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 16354428 is about 4044.0608304030. The cubic root of 16354428 is about 253.8312682661.

Adding to 16354428 its reverse (82445361), we get a palindrome (98799789).

The spelling of 16354428 in words is "sixteen million, three hundred fifty-four thousand, four hundred twenty-eight".