28480184 has 8 divisors (see below), whose sum is σ = 53400360. Its totient is φ = 14240088.

The previous prime is 28480171. The next prime is 28480213. The reversal of 28480184 is 48108482.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×28480184² = 1622241761347712, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780004 + ... + 1780019.

It is an arithmetic number, because the mean of its divisors is an integer number (6675045).

Almost surely, 2^28480184 is an apocalyptic number.

It is an amenable number.

28480184 is a deficient number, since it is larger than the sum of its proper divisors (24920176).

28480184 is a wasteful number, since it uses less digits than its factorization.

28480184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560029 (or 3560025 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 28480184 is about 5336.6828648515. The cubic root of 28480184 is about 305.3849265210.

The spelling of 28480184 in words is "twenty-eight million, four hundred eighty thousand, one hundred eighty-four".