28601395 has 32 divisors (see below), whose sum is σ = 38646720. Its totient is φ = 20213760.

The previous prime is 28601389. The next prime is 28601399. The reversal of 28601395 is 59310682.

It is not a de Polignac number, because 28601395 - 2⁹ = 28600883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28601395.

It is not an unprimeable number, because it can be changed into a prime (28601399) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 100924 + ... + 101206.

It is an arithmetic number, because the mean of its divisors is an integer number (1207710).

Almost surely, 2^28601395 is an apocalyptic number.

28601395 is a deficient number, since it is larger than the sum of its proper divisors (10045325).

28601395 is a wasteful number, since it uses less digits than its factorization.

28601395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 28601395 is about 5348.0272063631. The cubic root of 28601395 is about 305.8175504002.

The spelling of 28601395 in words is "twenty-eight million, six hundred one thousand, three hundred ninety-five".