427831894 has 32 divisors (see below), whose sum is σ = 780088320. Its totient is φ = 171788928.

The previous prime is 427831889. The next prime is 427831907. The reversal of 427831894 is 498138724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50067 + ... + 57985.

It is an arithmetic number, because the mean of its divisors is an integer number (24377760).

Almost surely, 2^427831894 is an apocalyptic number.

427831894 is a deficient number, since it is larger than the sum of its proper divisors (352256426).

427831894 is a wasteful number, since it uses less digits than its factorization.

427831894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172.

The product of its digits is 387072, while the sum is 46.

The square root of 427831894 is about 20684.0976114502. The cubic root of 427831894 is about 753.5135257387.

The spelling of 427831894 in words is "four hundred twenty-seven million, eight hundred thirty-one thousand, eight hundred ninety-four".