28759395 has 16 divisors (see below), whose sum is σ = 52588800. Its totient is φ = 13147104.

The previous prime is 28759391. The next prime is 28759403. The reversal of 28759395 is 59395782.

It is a happy number.

It is not a de Polignac number, because 28759395 - 2² = 28759391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28759391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136845 + ... + 137054.

It is an arithmetic number, because the mean of its divisors is an integer number (3286800).

Almost surely, 2^28759395 is an apocalyptic number.

28759395 is a deficient number, since it is larger than the sum of its proper divisors (23829405).

28759395 is a wasteful number, since it uses less digits than its factorization.

28759395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273914.

The product of its digits is 680400, while the sum is 48.

The square root of 28759395 is about 5362.7786640882. The cubic root of 28759395 is about 306.3796496731.

The spelling of 28759395 in words is "twenty-eight million, seven hundred fifty-nine thousand, three hundred ninety-five".