28214075 has 12 divisors (see below), whose sum is σ = 35055048. Its totient is φ = 22526400.

The previous prime is 28214041. The next prime is 28214083. The reversal of 28214075 is 57041282.

It is not a de Polignac number, because 28214075 - 2⁸ = 28213819 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, 18284 + ... + 19766.

It is an arithmetic number, because the mean of its divisors is an integer number (2921254).

Almost surely, 2^28214075 is an apocalyptic number.

28214075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28214075 is a deficient number, since it is larger than the sum of its proper divisors (6840973).

28214075 is a wasteful number, since it uses less digits than its factorization.

28214075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254 (or 2249 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 28214075 is about 5311.6922915395. The cubic root of 28214075 is about 304.4308115986.

The spelling of 28214075 in words is "twenty-eight million, two hundred fourteen thousand, seventy-five".