28574105 has 24 divisors (see below), whose sum is σ = 40142592. Its totient is φ = 19468512.

The previous prime is 28574069. The next prime is 28574107. The reversal of 28574105 is 50147582.

It is not a de Polignac number, because 28574105 - 2⁶ = 28574041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28574107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54374 + ... + 54896.

It is an arithmetic number, because the mean of its divisors is an integer number (1672608).

Almost surely, 2^28574105 is an apocalyptic number.

It is an amenable number.

28574105 is a deficient number, since it is larger than the sum of its proper divisors (11568487).

28574105 is a wasteful number, since it uses less digits than its factorization.

28574105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 28574105 is about 5345.4751893541. The cubic root of 28574105 is about 305.7202542517.

The spelling of 28574105 in words is "twenty-eight million, five hundred seventy-four thousand, one hundred five".