28184948 has 24 divisors (see below), whose sum is σ = 54102720. Its totient is φ = 12741120.

The previous prime is 28184939. The next prime is 28184951. The reversal of 28184948 is 84948182.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 28184899 and 28184908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6833 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (2254280).

Almost surely, 2^28184948 is an apocalyptic number.

It is an amenable number.

28184948 is a deficient number, since it is larger than the sum of its proper divisors (25917772).

28184948 is a wasteful number, since it uses less digits than its factorization.

28184948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527 (or 3525 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 28184948 is about 5308.9498019853. The cubic root of 28184948 is about 304.3260150936.

The spelling of 28184948 in words is "twenty-eight million, one hundred eighty-four thousand, nine hundred forty-eight".