28616706 has 16 divisors (see below), whose sum is σ = 63592800. Its totient is φ = 9538884.

The previous prime is 28616701. The next prime is 28616713. The reversal of 28616706 is 60761682.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28616701) 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, 264916 + ... + 265023.

It is an arithmetic number, because the mean of its divisors is an integer number (3974550).

Almost surely, 2^28616706 is an apocalyptic number.

28616706 is an abundant number, since it is smaller than the sum of its proper divisors (34976094).

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

28616706 is a wasteful number, since it uses less digits than its factorization.

28616706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529950 (or 529944 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 28616706 is about 5349.4584772666. The cubic root of 28616706 is about 305.8721111100.

The spelling of 28616706 in words is "twenty-eight million, six hundred sixteen thousand, seven hundred six".