427846385 has 8 divisors (see below), whose sum is σ = 515244456. Its totient is φ = 341057920.

The previous prime is 427846333. The next prime is 427846387. The reversal of 427846385 is 583648724.

It can be written as a sum of positive squares in 4 ways, for example, as 33744481 + 394101904 = 5809^2 + 19852^2 .

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

It is not a de Polignac number, because 427846385 - 2⁸ = 427846129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427846387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150854 + ... + 153663.

It is an arithmetic number, because the mean of its divisors is an integer number (64405557).

Almost surely, 2^427846385 is an apocalyptic number.

It is an amenable number.

427846385 is a deficient number, since it is larger than the sum of its proper divisors (87398071).

427846385 is a wasteful number, since it uses less digits than its factorization.

427846385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304803.

The product of its digits is 1290240, while the sum is 47.

The square root of 427846385 is about 20684.4479017449. The cubic root of 427846385 is about 753.5220330063.

The spelling of 427846385 in words is "four hundred twenty-seven million, eight hundred forty-six thousand, three hundred eighty-five".