28124526 has 8 divisors (see below), whose sum is σ = 56249064. Its totient is φ = 9374840.

The previous prime is 28124497. The next prime is 28124527. The reversal of 28124526 is 62542182.

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

28124526 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28124493 and 28124502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28124527) 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, 2343705 + ... + 2343716.

It is an arithmetic number, because the mean of its divisors is an integer number (7031133).

Almost surely, 2^28124526 is an apocalyptic number.

28124526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28124526 is a wasteful number, since it uses less digits than its factorization.

28124526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687426.

The product of its digits is 7680, while the sum is 30.

The square root of 28124526 is about 5303.2561695622. The cubic root of 28124526 is about 304.1083913461.

The spelling of 28124526 in words is "twenty-eight million, one hundred twenty-four thousand, five hundred twenty-six".