28533395 has 16 divisors (see below), whose sum is σ = 39551328. Its totient is φ = 19530240.

The previous prime is 28533389. The next prime is 28533433. The reversal of 28533395 is 59333582.

It is a happy number.

It is not a de Polignac number, because 28533395 - 2⁶ = 28533331 is a prime.

It is a Duffinian number.

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, 14324 + ... + 16193.

It is an arithmetic number, because the mean of its divisors is an integer number (2471958).

Almost surely, 2^28533395 is an apocalyptic number.

28533395 is a deficient number, since it is larger than the sum of its proper divisors (11017933).

28533395 is a wasteful number, since it uses less digits than its factorization.

28533395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30550.

The product of its digits is 97200, while the sum is 38.

The square root of 28533395 is about 5341.6659386375. The cubic root of 28533395 is about 305.5749970121.

The spelling of 28533395 in words is "twenty-eight million, five hundred thirty-three thousand, three hundred ninety-five".