42686832 has 20 divisors (see below), whose sum is σ = 110274440. Its totient is φ = 14228928.

The previous prime is 42686821. The next prime is 42686837. The reversal of 42686832 is 23868624.

It is a super-3 number, since 3×42686832³ (a number of 24 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42686837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444607 + ... + 444702.

It is an arithmetic number, because the mean of its divisors is an integer number (5513722).

Almost surely, 2^42686832 is an apocalyptic number.

It is an amenable number.

42686832 is an abundant number, since it is smaller than the sum of its proper divisors (67587608).

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

42686832 is a wasteful number, since it uses less digits than its factorization.

42686832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889320 (or 889314 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 42686832 is about 6533.5160518667. The cubic root of 42686832 is about 349.4872273531.

The spelling of 42686832 in words is "forty-two million, six hundred eighty-six thousand, eight hundred thirty-two".