42806862 has 48 divisors (see below), whose sum is σ = 106640352. Its totient is φ = 12156480.

The previous prime is 42806849. The next prime is 42806873. The reversal of 42806862 is 26860824.

42806862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21868 + ... + 23744.

It is an arithmetic number, because the mean of its divisors is an integer number (2221674).

Almost surely, 2^42806862 is an apocalyptic number.

42806862 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42806862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53320176).

42806862 is an abundant number, since it is smaller than the sum of its proper divisors (63833490).

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

42806862 is a wasteful number, since it uses less digits than its factorization.

42806862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2070 counting only the distinct ones).

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

The square root of 42806862 is about 6542.6953161522. The cubic root of 42806862 is about 349.8144921703.

The spelling of 42806862 in words is "forty-two million, eight hundred six thousand, eight hundred sixty-two".