42486584 has 64 divisors (see below), whose sum is σ = 97324800. Its totient is φ = 16982784.

The previous prime is 42486583. The next prime is 42486593. The reversal of 42486584 is 48568424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42486581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77399 + ... + 77945.

It is an arithmetic number, because the mean of its divisors is an integer number (1520700).

Almost surely, 2^42486584 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 42486584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48662400).

42486584 is an abundant number, since it is smaller than the sum of its proper divisors (54838216).

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

42486584 is a wasteful number, since it uses less digits than its factorization.

42486584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 648 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 42486584 is about 6518.1733637577. The cubic root of 42486584 is about 348.9398779311.

The spelling of 42486584 in words is "forty-two million, four hundred eighty-six thousand, five hundred eighty-four".