427286838 has 32 divisors (see below), whose sum is σ = 936012672. Its totient is φ = 128960000.

The previous prime is 427286833. The next prime is 427286851. The reversal of 427286838 is 838682724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427286833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3670 + ... + 29462.

It is an arithmetic number, because the mean of its divisors is an integer number (29250396).

Almost surely, 2^427286838 is an apocalyptic number.

427286838 is an abundant number, since it is smaller than the sum of its proper divisors (508725834).

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

427286838 is a wasteful number, since it uses less digits than its factorization.

427286838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26060.

The product of its digits is 1032192, while the sum is 48.

The square root of 427286838 is about 20670.9176864502. The cubic root of 427286838 is about 753.1933987522.

The spelling of 427286838 in words is "four hundred twenty-seven million, two hundred eighty-six thousand, eight hundred thirty-eight".