427984659 has 12 divisors (see below), whose sum is σ = 619762416. Its totient is φ = 284602032.

The previous prime is 427984651. The next prime is 427984681. The reversal of 427984659 is 956489724.

It is not a de Polignac number, because 427984659 - 2³ = 427984651 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (427984651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56319 + ... + 63464.

It is an arithmetic number, because the mean of its divisors is an integer number (51646868).

Almost surely, 2^427984659 is an apocalyptic number.

427984659 is a deficient number, since it is larger than the sum of its proper divisors (191777757).

427984659 is a wasteful number, since it uses less digits than its factorization.

427984659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120186 (or 120183 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 427984659 is about 20687.7900946428. The cubic root of 427984659 is about 753.6032002092.

The spelling of 427984659 in words is "four hundred twenty-seven million, nine hundred eighty-four thousand, six hundred fifty-nine".