28246305 has 8 divisors (see below), whose sum is σ = 45194112. Its totient is φ = 15064688.

The previous prime is 28246289. The next prime is 28246349. The reversal of 28246305 is 50364282.

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 28246305 - 2⁴ = 28246289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941529 + ... + 941558.

It is an arithmetic number, because the mean of its divisors is an integer number (5649264).

Almost surely, 2^28246305 is an apocalyptic number.

It is an amenable number.

28246305 is a deficient number, since it is larger than the sum of its proper divisors (16947807).

28246305 is a wasteful number, since it uses less digits than its factorization.

28246305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883095.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 28246305 is about 5314.7252986396. The cubic root of 28246305 is about 304.5466884118.

The spelling of 28246305 in words is "twenty-eight million, two hundred forty-six thousand, three hundred five".