42986832 has 80 divisors (see below), whose sum is σ = 131039232. Its totient is φ = 11882880.

The previous prime is 42986809. The next prime is 42986837. The reversal of 42986832 is 23868924.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42986837) 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, 8353 + ... + 12479.

Almost surely, 2^42986832 is an apocalyptic number.

42986832 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42986832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65519616).

42986832 is an abundant number, since it is smaller than the sum of its proper divisors (88052400).

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

42986832 is a wasteful number, since it uses less digits than its factorization.

42986832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176 (or 4170 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 42986832 is about 6556.4343968349. The cubic root of 42986832 is about 350.3040405692.

The spelling of 42986832 in words is "forty-two million, nine hundred eighty-six thousand, eight hundred thirty-two".