28160396 has 12 divisors (see below), whose sum is σ = 53760840. Its totient is φ = 12800160.

The previous prime is 28160393. The next prime is 28160411. The reversal of 28160396 is 69306182.

It is a super-3 number, since 3×28160396³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28160393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319961 + ... + 320048.

It is an arithmetic number, because the mean of its divisors is an integer number (4480070).

Almost surely, 2^28160396 is an apocalyptic number.

It is an amenable number.

28160396 is a deficient number, since it is larger than the sum of its proper divisors (25600444).

28160396 is a wasteful number, since it uses less digits than its factorization.

28160396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640024 (or 640022 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 28160396 is about 5306.6369764664. The cubic root of 28160396 is about 304.2376229614.

The spelling of 28160396 in words is "twenty-eight million, one hundred sixty thousand, three hundred ninety-six".