42250386 has 8 divisors (see below), whose sum is σ = 84500784. Its totient is φ = 14083460.

The previous prime is 42250367. The next prime is 42250391. The reversal of 42250386 is 68305224.

It is a sphenic number, since it is the product of 3 distinct primes.

42250386 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3520860 + ... + 3520871.

It is an arithmetic number, because the mean of its divisors is an integer number (10562598).

Almost surely, 2^42250386 is an apocalyptic number.

42250386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42250386 is a wasteful number, since it uses less digits than its factorization.

42250386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7041736.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 42250386 is about 6500.0296922399. The cubic root of 42250386 is about 348.2920490640.

The spelling of 42250386 in words is "forty-two million, two hundred fifty thousand, three hundred eighty-six".