28677412 has 12 divisors (see below), whose sum is σ = 52367616. Its totient is φ = 13715240.

The previous prime is 28677353. The next prime is 28677437. The reversal of 28677412 is 21477682.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155764 + ... + 155947.

It is an arithmetic number, because the mean of its divisors is an integer number (4363968).

Almost surely, 2^28677412 is an apocalyptic number.

It is an amenable number.

28677412 is a deficient number, since it is larger than the sum of its proper divisors (23690204).

28677412 is a wasteful number, since it uses less digits than its factorization.

28677412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311738 (or 311736 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 28677412 is about 5355.1295035695. The cubic root of 28677412 is about 306.0882454420.

The spelling of 28677412 in words is "twenty-eight million, six hundred seventy-seven thousand, four hundred twelve".