42287184 has 100 divisors (see below), whose sum is σ = 124473184. Its totient is φ = 13856832.

The previous prime is 42287183. The next prime is 42287207. The reversal of 42287184 is 48178224.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42287183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 86589 + ... + 87075.

Almost surely, 2^42287184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42287184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62236592).

42287184 is an abundant number, since it is smaller than the sum of its proper divisors (82186000).

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

42287184 is a wasteful number, since it uses less digits than its factorization.

42287184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 559 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 42287184 is about 6502.8596786337. The cubic root of 42287184 is about 348.3931347819.

The spelling of 42287184 in words is "forty-two million, two hundred eighty-seven thousand, one hundred eighty-four".