16349428 has 6 divisors (see below), whose sum is σ = 28611506. Its totient is φ = 8174712.

The previous prime is 16349419. The next prime is 16349441. The reversal of 16349428 is 82494361.

It can be written as a sum of positive squares in only one way, i.e., 16337764 + 11664 = 4042^2 + 108^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2043675 + ... + 2043682.

Almost surely, 2^16349428 is an apocalyptic number.

It is an amenable number.

16349428 is a deficient number, since it is larger than the sum of its proper divisors (12262078).

16349428 is a wasteful number, since it uses less digits than its factorization.

16349428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087361 (or 4087359 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 16349428 is about 4043.4425926431. The cubic root of 16349428 is about 253.8053978881.

The spelling of 16349428 in words is "sixteen million, three hundred forty-nine thousand, four hundred twenty-eight".