28150824 has 32 divisors (see below), whose sum is σ = 75791520. Its totient is φ = 8661696.

The previous prime is 28150819. The next prime is 28150831. The reversal of 28150824 is 42805182.

It is a junction number, because it is equal to n+sod(n) for n = 28150791 and 28150800.

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 7 ways as a sum of consecutive naturals, for example, 44802 + ... + 45425.

It is an arithmetic number, because the mean of its divisors is an integer number (2368485).

Almost surely, 2^28150824 is an apocalyptic number.

28150824 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28150824 is an abundant number, since it is smaller than the sum of its proper divisors (47640696).

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

28150824 is a wasteful number, since it uses less digits than its factorization.

28150824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90249 (or 90245 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 28150824 is about 5305.7350103449. The cubic root of 28150824 is about 304.2031479189.

The spelling of 28150824 in words is "twenty-eight million, one hundred fifty thousand, eight hundred twenty-four".