28634716 has 24 divisors (see below), whose sum is σ = 56553840. Its totient is φ = 12566400.

The previous prime is 28634693. The next prime is 28634717. The reversal of 28634716 is 61743682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28634717) 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, 9945 + ... + 12496.

It is an arithmetic number, because the mean of its divisors is an integer number (2356410).

Almost surely, 2^28634716 is an apocalyptic number.

It is an amenable number.

28634716 is a deficient number, since it is larger than the sum of its proper divisors (27919124).

28634716 is a wasteful number, since it uses less digits than its factorization.

28634716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22485 (or 22483 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 28634716 is about 5351.1415604523. The cubic root of 28634716 is about 305.9362647955.

The spelling of 28634716 in words is "twenty-eight million, six hundred thirty-four thousand, seven hundred sixteen".