28578104 has 16 divisors (see below), whose sum is σ = 53648520. Its totient is φ = 14271840.

The previous prime is 28578103. The next prime is 28578127. The reversal of 28578104 is 40187582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28578103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7394 + ... + 10574.

Almost surely, 2^28578104 is an apocalyptic number.

It is an amenable number.

28578104 is a deficient number, since it is larger than the sum of its proper divisors (25070416).

28578104 is a wasteful number, since it uses less digits than its factorization.

28578104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 28578104 is about 5345.8492309454. The cubic root of 28578104 is about 305.7345156289.

It can be divided in two parts, 28578 and 104, that added together give a palindrome (28682).

The spelling of 28578104 in words is "twenty-eight million, five hundred seventy-eight thousand, one hundred four".