28830526 has 4 divisors (see below), whose sum is σ = 43245792. Its totient is φ = 14415262.

The previous prime is 28830509. The next prime is 28830539. The reversal of 28830526 is 62503882.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 28830491 and 28830500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7207630 + ... + 7207633.

It is an arithmetic number, because the mean of its divisors is an integer number (10811448).

Almost surely, 2^28830526 is an apocalyptic number.

28830526 is a deficient number, since it is larger than the sum of its proper divisors (14415266).

28830526 is a wasteful number, since it uses less digits than its factorization.

28830526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14415265.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 28830526 is about 5369.4064848920. The cubic root of 28830526 is about 306.6320326881.

The spelling of 28830526 in words is "twenty-eight million, eight hundred thirty thousand, five hundred twenty-six".