28916174 has 24 divisors (see below), whose sum is σ = 50937480. Its totient is φ = 12274416.

The previous prime is 28916143. The next prime is 28916177. The reversal of 28916174 is 47161982.

It is a super-2 number, since 2×28916174² = 1672290237596552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28916177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9329 + ... + 12035.

It is an arithmetic number, because the mean of its divisors is an integer number (2122395).

Almost surely, 2^28916174 is an apocalyptic number.

28916174 is a deficient number, since it is larger than the sum of its proper divisors (22021306).

28916174 is a wasteful number, since it uses less digits than its factorization.

28916174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832 (or 2825 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 28916174 is about 5377.3761259559. The cubic root of 28916174 is about 306.9353738631.

The spelling of 28916174 in words is "twenty-eight million, nine hundred sixteen thousand, one hundred seventy-four".