28526385 has 8 divisors (see below), whose sum is σ = 45642240. Its totient is φ = 15214064.

The previous prime is 28526363. The next prime is 28526411. The reversal of 28526385 is 58362582.

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 28526385 - 2⁷ = 28526257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950865 + ... + 950894.

It is an arithmetic number, because the mean of its divisors is an integer number (5705280).

Almost surely, 2^28526385 is an apocalyptic number.

It is an amenable number.

28526385 is a deficient number, since it is larger than the sum of its proper divisors (17115855).

28526385 is a wasteful number, since it uses less digits than its factorization.

28526385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901767.

The product of its digits is 115200, while the sum is 39.

The square root of 28526385 is about 5341.0097359956. The cubic root of 28526385 is about 305.5499707091.

The spelling of 28526385 in words is "twenty-eight million, five hundred twenty-six thousand, three hundred eighty-five".