28000526 has 8 divisors (see below), whose sum is σ = 42151104. Its totient is φ = 13950160.

The previous prime is 28000507. The next prime is 28000541. The reversal of 28000526 is 62500082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24350 + ... + 25473.

It is an arithmetic number, because the mean of its divisors is an integer number (5268888).

Almost surely, 2^28000526 is an apocalyptic number.

28000526 is a deficient number, since it is larger than the sum of its proper divisors (14150578).

28000526 is a wasteful number, since it uses less digits than its factorization.

28000526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50106.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 28000526 is about 5291.5523242240. The cubic root of 28000526 is about 303.6607986588.

The spelling of 28000526 in words is "twenty-eight million, five hundred twenty-six", and thus it is an aban number.