28382716 has 6 divisors (see below), whose sum is σ = 49669760. Its totient is φ = 14191356.

The previous prime is 28382699. The next prime is 28382729. The reversal of 28382716 is 61728382.

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, 3547836 + ... + 3547843.

Almost surely, 2^28382716 is an apocalyptic number.

It is an amenable number.

28382716 is a deficient number, since it is larger than the sum of its proper divisors (21287044).

28382716 is a wasteful number, since it uses less digits than its factorization.

28382716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7095683 (or 7095681 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 28382716 is about 5327.5431485817. The cubic root of 28382716 is about 305.0361544528.

The spelling of 28382716 in words is "twenty-eight million, three hundred eighty-two thousand, seven hundred sixteen".