28183484 has 24 divisors (see below), whose sum is σ = 59683680. Its totient is φ = 11367936.

The previous prime is 28183469. The next prime is 28183489. The reversal of 28183484 is 48438182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28183489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29129 + ... + 30080.

It is an arithmetic number, because the mean of its divisors is an integer number (2486820).

Almost surely, 2^28183484 is an apocalyptic number.

It is an amenable number.

28183484 is an abundant number, since it is smaller than the sum of its proper divisors (31500196).

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

28183484 is a wasteful number, since it uses less digits than its factorization.

28183484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59237 (or 59235 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 28183484 is about 5308.8119198178. The cubic root of 28183484 is about 304.3207458390.

The spelling of 28183484 in words is "twenty-eight million, one hundred eighty-three thousand, four hundred eighty-four".