28526130 has 24 divisors (see below), whose sum is σ = 74168172. Its totient is φ = 7606944.

The previous prime is 28526129. The next prime is 28526171. The reversal of 28526130 is 3162582.

28526130 is a `hidden beast` number, since 2 + 8 + 526 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26101881 + 2424249 = 5109^2 + 1557^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28526094 and 28526103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158389 + ... + 158568.

Almost surely, 2^28526130 is an apocalyptic number.

28526130 is an abundant number, since it is smaller than the sum of its proper divisors (45642042).

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

28526130 is a wasteful number, since it uses less digits than its factorization.

28526130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316970 (or 316967 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 28526130 is about 5340.9858640517. The cubic root of 28526130 is about 305.5490602598.

The spelling of 28526130 in words is "twenty-eight million, five hundred twenty-six thousand, one hundred thirty".