42386424 has 64 divisors (see below), whose sum is σ = 114186240. Its totient is φ = 13073280.

The previous prime is 42386419. The next prime is 42386431. The reversal of 42386424 is 42468324.

42386424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 15 ways as a sum of consecutive naturals, for example, 15874 + ... + 18350.

It is an arithmetic number, because the mean of its divisors is an integer number (1784160).

Almost surely, 2^42386424 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 42386424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57093120).

42386424 is an abundant number, since it is smaller than the sum of its proper divisors (71799816).

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

42386424 is a wasteful number, since it uses less digits than its factorization.

42386424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2536 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 42386424 is about 6510.4856961674. The cubic root of 42386424 is about 348.6654593966.

The spelling of 42386424 in words is "forty-two million, three hundred eighty-six thousand, four hundred twenty-four".