28545104 has 40 divisors (see below), whose sum is σ = 63501888. Its totient is φ = 12176640.

The previous prime is 28545089. The next prime is 28545113. The reversal of 28545104 is 40154582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31019 + ... + 31925.

Almost surely, 2^28545104 is an apocalyptic number.

It is an amenable number.

28545104 is an abundant number, since it is smaller than the sum of its proper divisors (34956784).

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

28545104 is a wasteful number, since it uses less digits than its factorization.

28545104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 28545104 is about 5342.7618326105. The cubic root of 28545104 is about 305.6167900098.

Adding to 28545104 its reverse (40154582), we get a palindrome (68699686).

The spelling of 28545104 in words is "twenty-eight million, five hundred forty-five thousand, one hundred four".