28152084 has 24 divisors (see below), whose sum is σ = 66293920. Its totient is φ = 9297504.

The previous prime is 28152071. The next prime is 28152101. The reversal of 28152084 is 48025182.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 9454 + ... + 12069.

Almost surely, 2^28152084 is an apocalyptic number.

It is an amenable number.

28152084 is an abundant number, since it is smaller than the sum of its proper divisors (38141836).

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

28152084 is a wasteful number, since it uses less digits than its factorization.

28152084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21639 (or 21637 counting only the distinct ones).

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

The square root of 28152084 is about 5305.8537484556. The cubic root of 28152084 is about 304.2076864509.

The spelling of 28152084 in words is "twenty-eight million, one hundred fifty-two thousand, eighty-four".