42394608 has 60 divisors (see below), whose sum is σ = 122486208. Its totient is φ = 13674240.

The previous prime is 42394591. The next prime is 42394619. The reversal of 42394608 is 80649324.

It is a happy number.

42394608 is a `hidden beast` number, since 42 + 3 + 9 + 4 + 608 = 666.

42394608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 11 ways as a sum of consecutive naturals, for example, 285 + ... + 9212.

Almost surely, 2^42394608 is an apocalyptic number.

42394608 is a gapful number since it is divisible by the number (48) 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 42394608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61243104).

42394608 is an abundant number, since it is smaller than the sum of its proper divisors (80091600).

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

42394608 is a wasteful number, since it uses less digits than its factorization.

42394608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9542 (or 9533 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 42394608 is about 6511.1141903671. The cubic root of 42394608 is about 348.6878981417.

The spelling of 42394608 in words is "forty-two million, three hundred ninety-four thousand, six hundred eight".