28936707 has 8 divisors (see below), whose sum is σ = 38653776. Its totient is φ = 19255392.

The previous prime is 28936643. The next prime is 28936709. The reversal of 28936707 is 70763982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28936707 - 2⁶ = 28936643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28936709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6988 + ... + 10329.

It is an arithmetic number, because the mean of its divisors is an integer number (4831722).

Almost surely, 2^28936707 is an apocalyptic number.

28936707 is a deficient number, since it is larger than the sum of its proper divisors (9717069).

28936707 is a wasteful number, since it uses less digits than its factorization.

28936707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 28936707 is about 5379.2849896617. The cubic root of 28936707 is about 307.0080069495.

The spelling of 28936707 in words is "twenty-eight million, nine hundred thirty-six thousand, seven hundred seven".