28652907 has 8 divisors (see below), whose sum is σ = 38235600. Its totient is φ = 19086080.

The previous prime is 28652887. The next prime is 28652941. The reversal of 28652907 is 70925682.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28652907 - 2⁸ = 28652651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28652977) 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, 1219 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (4779450).

Almost surely, 2^28652907 is an apocalyptic number.

28652907 is a deficient number, since it is larger than the sum of its proper divisors (9582693).

28652907 is a wasteful number, since it uses less digits than its factorization.

28652907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 28652907 is about 5352.8410213643. The cubic root of 28652907 is about 306.0010359228.

The spelling of 28652907 in words is "twenty-eight million, six hundred fifty-two thousand, nine hundred seven".