42094386 has 24 divisors (see below), whose sum is σ = 96005520. Its totient is φ = 13292856.

The previous prime is 42094309. The next prime is 42094387. The reversal of 42094386 is 68349024.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42094386.

It is not an unprimeable number, because it can be changed into a prime (42094387) 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 11 ways as a sum of consecutive naturals, for example, 61200 + ... + 61883.

It is an arithmetic number, because the mean of its divisors is an integer number (4000230).

Almost surely, 2^42094386 is an apocalyptic number.

42094386 is an abundant number, since it is smaller than the sum of its proper divisors (53911134).

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

42094386 is a wasteful number, since it uses less digits than its factorization.

42094386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123110 (or 123107 counting only the distinct ones).

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

The square root of 42094386 is about 6488.0186497882. The cubic root of 42094386 is about 347.8628571775.

The spelling of 42094386 in words is "forty-two million, ninety-four thousand, three hundred eighty-six".