427423684 has 12 divisors (see below), whose sum is σ = 749999404. Its totient is φ = 213138144.

The previous prime is 427423679. The next prime is 427423727. The reversal of 427423684 is 486324724.

It can be written as a sum of positive squares in 2 ways, for example, as 308002500 + 119421184 = 17550^2 + 10928^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141747 + ... + 144730.

Almost surely, 2^427423684 is an apocalyptic number.

It is an amenable number.

427423684 is a deficient number, since it is larger than the sum of its proper divisors (322575720).

427423684 is a wasteful number, since it uses less digits than its factorization.

427423684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286854 (or 286852 counting only the distinct ones).

The product of its digits is 258048, while the sum is 40.

The square root of 427423684 is about 20674.2275309139. The cubic root of 427423684 is about 753.2737979073.

The spelling of 427423684 in words is "four hundred twenty-seven million, four hundred twenty-three thousand, six hundred eighty-four".