28576338 has 32 divisors (see below), whose sum is σ = 66840576. Its totient is φ = 7974288.

The previous prime is 28576309. The next prime is 28576343. The reversal of 28576338 is 83367582.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 28576338.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6106 + ... + 9717.

It is an arithmetic number, because the mean of its divisors is an integer number (2088768).

Almost surely, 2^28576338 is an apocalyptic number.

28576338 is an abundant number, since it is smaller than the sum of its proper divisors (38264238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28576338 is a wasteful number, since it uses less digits than its factorization.

28576338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15878.

The product of its digits is 241920, while the sum is 42.

The square root of 28576338 is about 5345.6840535146. The cubic root of 28576338 is about 305.7282178204.

The spelling of 28576338 in words is "twenty-eight million, five hundred seventy-six thousand, three hundred thirty-eight".