16393028 has 12 divisors (see below), whose sum is σ = 28775292. Its totient is φ = 8171520.

The previous prime is 16393001. The next prime is 16393031. The reversal of 16393028 is 82039361.

It can be written as a sum of positive squares in 2 ways, for example, as 4129024 + 12264004 = 2032^2 + 3502^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16392985 and 16393003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4733 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (2397941).

Almost surely, 2^16393028 is an apocalyptic number.

It is an amenable number.

16393028 is a deficient number, since it is larger than the sum of its proper divisors (12382264).

16393028 is a wasteful number, since it uses less digits than its factorization.

16393028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12502 (or 12500 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 16393028 is about 4048.8304484135. The cubic root of 16393028 is about 254.0308103242.

The spelling of 16393028 in words is "sixteen million, three hundred ninety-three thousand, twenty-eight".