42424386 has 8 divisors (see below), whose sum is σ = 84848784. Its totient is φ = 14141460.

The previous prime is 42424373. The next prime is 42424387. The reversal of 42424386 is 68342424.

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

42424386 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42424387) 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, 3535360 + ... + 3535371.

It is an arithmetic number, because the mean of its divisors is an integer number (10606098).

Almost surely, 2^42424386 is an apocalyptic number.

42424386 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.

42424386 is a wasteful number, since it uses less digits than its factorization.

42424386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070736.

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

The square root of 42424386 is about 6513.4004943654. The cubic root of 42424386 is about 348.7695185695.

The spelling of 42424386 in words is "forty-two million, four hundred twenty-four thousand, three hundred eighty-six".