427303885 has 8 divisors (see below), whose sum is σ = 513951480. Its totient is φ = 341051904.

The previous prime is 427303879. The next prime is 427303889. The reversal of 427303885 is 588303724.

It can be written as a sum of positive squares in 4 ways, for example, as 40119556 + 387184329 = 6334^2 + 19677^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 427303885 - 2¹¹ = 427301837 is a prime.

It is a super-2 number, since 2×427303885² = 365177220272186450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427303889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96520 + ... + 100849.

It is an arithmetic number, because the mean of its divisors is an integer number (64243935).

Almost surely, 2^427303885 is an apocalyptic number.

It is an amenable number.

427303885 is a deficient number, since it is larger than the sum of its proper divisors (86647595).

427303885 is a wasteful number, since it uses less digits than its factorization.

427303885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197807.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 427303885 is about 20671.3300249403. The cubic root of 427303885 is about 753.2034150659.

The spelling of 427303885 in words is "four hundred twenty-seven million, three hundred three thousand, eight hundred eighty-five".