28524450 has 48 divisors (see below), whose sum is σ = 71066880. Its totient is φ = 7571520.

The previous prime is 28524443. The next prime is 28524467. The reversal of 28524450 is 5442582.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59311 + ... + 59789.

It is an arithmetic number, because the mean of its divisors is an integer number (1480560).

Almost surely, 2^28524450 is an apocalyptic number.

28524450 is an abundant number, since it is smaller than the sum of its proper divisors (42542430).

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

28524450 is a wasteful number, since it uses less digits than its factorization.

28524450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 886 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 28524450 is about 5340.8285874010. The cubic root of 28524450 is about 305.5430618705.

The spelling of 28524450 in words is "twenty-eight million, five hundred twenty-four thousand, four hundred fifty".