427889470 has 32 divisors (see below), whose sum is σ = 815712768. Its totient is φ = 161264928.

The previous prime is 427889459. The next prime is 427889471. The reversal of 427889470 is 74988724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427889471) 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 15 ways as a sum of consecutive naturals, for example, 1527 + ... + 29293.

It is an arithmetic number, because the mean of its divisors is an integer number (25491024).

Almost surely, 2^427889470 is an apocalyptic number.

427889470 is a deficient number, since it is larger than the sum of its proper divisors (387823298).

427889470 is a wasteful number, since it uses less digits than its factorization.

427889470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27864.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 427889470 is about 20685.4893584851. The cubic root of 427889470 is about 753.5473258903.

The spelling of 427889470 in words is "four hundred twenty-seven million, eight hundred eighty-nine thousand, four hundred seventy".