28063395 has 16 divisors (see below), whose sum is σ = 49890720. Its totient is φ = 14967072.

The previous prime is 28063369. The next prime is 28063411. The reversal of 28063395 is 59336082.

It is not a de Polignac number, because 28063395 - 2¹⁴ = 28047011 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 15 ways as a sum of consecutive naturals, for example, 103804 + ... + 104073.

It is an arithmetic number, because the mean of its divisors is an integer number (3118170).

Almost surely, 2^28063395 is an apocalyptic number.

28063395 is a deficient number, since it is larger than the sum of its proper divisors (21827325).

28063395 is a wasteful number, since it uses less digits than its factorization.

28063395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207891 (or 207885 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 28063395 is about 5297.4894997536. The cubic root of 28063395 is about 303.8878965408.

The spelling of 28063395 in words is "twenty-eight million, sixty-three thousand, three hundred ninety-five".