28475134 has 8 divisors (see below), whose sum is σ = 43350408. Its totient is φ = 14025000.

The previous prime is 28475099. The next prime is 28475147. The reversal of 28475134 is 43157482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28475134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106117 + ... + 106384.

It is an arithmetic number, because the mean of its divisors is an integer number (5418801).

Almost surely, 2^28475134 is an apocalyptic number.

28475134 is a deficient number, since it is larger than the sum of its proper divisors (14875274).

28475134 is a wasteful number, since it uses less digits than its factorization.

28475134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212570.

The product of its digits is 26880, while the sum is 34.

The square root of 28475134 is about 5336.2097035255. The cubic root of 28475134 is about 305.3668755487.

The spelling of 28475134 in words is "twenty-eight million, four hundred seventy-five thousand, one hundred thirty-four".