427381628 has 6 divisors (see below), whose sum is σ = 747917856. Its totient is φ = 213690812.

The previous prime is 427381609. The next prime is 427381637. The reversal of 427381628 is 826183724.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53422700 + ... + 53422707.

It is an arithmetic number, because the mean of its divisors is an integer number (124652976).

Almost surely, 2^427381628 is an apocalyptic number.

It is an amenable number.

427381628 is a deficient number, since it is larger than the sum of its proper divisors (320536228).

427381628 is a wasteful number, since it uses less digits than its factorization.

427381628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106845411 (or 106845409 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 427381628 is about 20673.2103941309. The cubic root of 427381628 is about 753.2490911794.

The spelling of 427381628 in words is "four hundred twenty-seven million, three hundred eighty-one thousand, six hundred twenty-eight".