42086862 has 48 divisors (see below), whose sum is σ = 96954000. Its totient is φ = 13156992.

The previous prime is 42086831. The next prime is 42086867. The reversal of 42086862 is 26868024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42086867) 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 23 ways as a sum of consecutive naturals, for example, 36714 + ... + 37842.

It is an arithmetic number, because the mean of its divisors is an integer number (2019875).

Almost surely, 2^42086862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42086862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48477000).

42086862 is an abundant number, since it is smaller than the sum of its proper divisors (54867138).

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

42086862 is a wasteful number, since it uses less digits than its factorization.

42086862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 42086862 is about 6487.4387858384. The cubic root of 42086862 is about 347.8421301373.

The spelling of 42086862 in words is "forty-two million, eighty-six thousand, eight hundred sixty-two".