42339936 has 24 divisors (see below), whose sum is σ = 111142584. Its totient is φ = 14113280.

The previous prime is 42339931. The next prime is 42339937. The reversal of 42339936 is 63993324.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 42339894 and 42339903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42339931) 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, 220425 + ... + 220616.

It is an arithmetic number, because the mean of its divisors is an integer number (4630941).

Almost surely, 2^42339936 is an apocalyptic number.

It is an amenable number.

42339936 is an abundant number, since it is smaller than the sum of its proper divisors (68802648).

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

42339936 is a wasteful number, since it uses less digits than its factorization.

42339936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441054 (or 441046 counting only the distinct ones).

The product of its digits is 104976, while the sum is 39.

The square root of 42339936 is about 6506.9144761553. The cubic root of 42339936 is about 348.5379445959.

The spelling of 42339936 in words is "forty-two million, three hundred thirty-nine thousand, nine hundred thirty-six".