42586284 has 24 divisors (see below), whose sum is σ = 107012080. Its totient is φ = 13103424.

The previous prime is 42586283. The next prime is 42586301. The reversal of 42586284 is 48268524.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (42586283) by changing a digit.

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, 136339 + ... + 136650.

Almost surely, 2^42586284 is an apocalyptic number.

It is an amenable number.

42586284 is an abundant number, since it is smaller than the sum of its proper divisors (64425796).

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

42586284 is a wasteful number, since it uses less digits than its factorization.

42586284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273009 (or 273007 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 42586284 is about 6525.8167304944. The cubic root of 42586284 is about 349.2126081714.

The spelling of 42586284 in words is "forty-two million, five hundred eighty-six thousand, two hundred eighty-four".