28176416 has 12 divisors (see below), whose sum is σ = 55472382. Its totient is φ = 14088192.

The previous prime is 28176409. The next prime is 28176431. The reversal of 28176416 is 61467182.

It can be written as a sum of positive squares in only one way, i.e., 25603600 + 2572816 = 5060^2 + 1604^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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 as a sum of consecutive naturals, namely, 440225 + ... + 440288.

Almost surely, 2^28176416 is an apocalyptic number.

It is an amenable number.

28176416 is a deficient number, since it is larger than the sum of its proper divisors (27295966).

28176416 is an equidigital number, since it uses as much as digits as its factorization.

28176416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880523 (or 880515 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 28176416 is about 5308.1461924103. The cubic root of 28176416 is about 304.2953040014.

The spelling of 28176416 in words is "twenty-eight million, one hundred seventy-six thousand, four hundred sixteen".