28946075 has 12 divisors (see below), whose sum is σ = 37454448. Its totient is φ = 22149600.

The previous prime is 28946059. The next prime is 28946083. The reversal of 28946075 is 57064982.

It is not a de Polignac number, because 28946075 - 2⁴ = 28946059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24596 + ... + 25745.

It is an arithmetic number, because the mean of its divisors is an integer number (3121204).

Almost surely, 2^28946075 is an apocalyptic number.

28946075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28946075 is a deficient number, since it is larger than the sum of its proper divisors (8508373).

28946075 is a wasteful number, since it uses less digits than its factorization.

28946075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50374 (or 50369 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 28946075 is about 5380.1556668929. The cubic root of 28946075 is about 307.0411337401.

It can be divided in two parts, 289 and 46075, that added together give a palindrome (46364).

The spelling of 28946075 in words is "twenty-eight million, nine hundred forty-six thousand, seventy-five".