28797112 has 8 divisors (see below), whose sum is σ = 53994600. Its totient is φ = 14398552.

The previous prime is 28797101. The next prime is 28797149. The reversal of 28797112 is 21179782.

It is a tau number, because it is divible by the number of its divisors (8).

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, 1799812 + ... + 1799827.

It is an arithmetic number, because the mean of its divisors is an integer number (6749325).

Almost surely, 2^28797112 is an apocalyptic number.

It is an amenable number.

28797112 is a deficient number, since it is larger than the sum of its proper divisors (25197488).

28797112 is a wasteful number, since it uses less digits than its factorization.

28797112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599645 (or 3599641 counting only the distinct ones).

The product of its digits is 14112, while the sum is 37.

The square root of 28797112 is about 5366.2940657403. The cubic root of 28797112 is about 306.5135267740.

The spelling of 28797112 in words is "twenty-eight million, seven hundred ninety-seven thousand, one hundred twelve".