42343992 has 128 divisors (see below), whose sum is σ = 124185600. Its totient is φ = 13353984.

The previous prime is 42343981. The next prime is 42343997. The reversal of 42343992 is 29934324.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

Its product of digits (46656) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343997) 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 31 ways as a sum of consecutive naturals, for example, 436488 + ... + 436584.

It is an arithmetic number, because the mean of its divisors is an integer number (970200).

Almost surely, 2^42343992 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 42343992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62092800).

42343992 is an abundant number, since it is smaller than the sum of its proper divisors (81841608).

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

42343992 is a wasteful number, since it uses less digits than its factorization.

42343992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 192 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 42343992 is about 6507.2261371494. The cubic root of 42343992 is about 348.5490737638.

The spelling of 42343992 in words is "forty-two million, three hundred forty-three thousand, nine hundred ninety-two".