28600913 has 8 divisors (see below), whose sum is σ = 31366656. Its totient is φ = 25862800.

The previous prime is 28600883. The next prime is 28600967. The reversal of 28600913 is 31900682.

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 28600913 - 2⁶ = 28600849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28600213) 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, 4706 + ... + 8907.

It is an arithmetic number, because the mean of its divisors is an integer number (3920832).

Almost surely, 2^28600913 is an apocalyptic number.

It is an amenable number.

28600913 is a deficient number, since it is larger than the sum of its proper divisors (2765743).

28600913 is a wasteful number, since it uses less digits than its factorization.

28600913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13815.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 28600913 is about 5347.9821428273. The cubic root of 28600913 is about 305.8158324783.

The spelling of 28600913 in words is "twenty-eight million, six hundred thousand, nine hundred thirteen".