28853975 has 6 divisors (see below), whose sum is σ = 35778960. Its totient is φ = 23083160.

The previous prime is 28853971. The next prime is 28853977. The reversal of 28853975 is 57935882.

It is not a de Polignac number, because 28853975 - 2² = 28853971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28853971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577055 + ... + 577104.

It is an arithmetic number, because the mean of its divisors is an integer number (5963160).

Almost surely, 2^28853975 is an apocalyptic number.

28853975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28853975 is a deficient number, since it is larger than the sum of its proper divisors (6924985).

28853975 is a wasteful number, since it uses less digits than its factorization.

28853975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154169 (or 1154164 counting only the distinct ones).

The product of its digits is 604800, while the sum is 47.

The square root of 28853975 is about 5371.5896157469. The cubic root of 28853975 is about 306.7151421217.

The spelling of 28853975 in words is "twenty-eight million, eight hundred fifty-three thousand, nine hundred seventy-five".