28346712 has 32 divisors (see below), whose sum is σ = 71047680. Its totient is φ = 9424800.

The previous prime is 28346711. The next prime is 28346729. The reversal of 28346712 is 21764382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28346711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9837 + ... + 12387.

It is an arithmetic number, because the mean of its divisors is an integer number (2220240).

Almost surely, 2^28346712 is an apocalyptic number.

It is an amenable number.

28346712 is an abundant number, since it is smaller than the sum of its proper divisors (42700968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28346712 is a wasteful number, since it uses less digits than its factorization.

28346712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023 (or 3019 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 28346712 is about 5324.1630328156. The cubic root of 28346712 is about 304.9071185421.

The spelling of 28346712 in words is "twenty-eight million, three hundred forty-six thousand, seven hundred twelve".