428183667 has 12 divisors (see below), whose sum is σ = 627719560. Its totient is φ = 281194848.

The previous prime is 428183653. The next prime is 428183683. The reversal of 428183667 is 766381824.

428183667 is a `hidden beast` number, since 4 + 281 + 8 + 366 + 7 = 666.

It is not a de Polignac number, because 428183667 - 2²⁷ = 293965939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428183627) 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 11 ways as a sum of consecutive naturals, for example, 354442 + ... + 355647.

Almost surely, 2^428183667 is an apocalyptic number.

428183667 is a deficient number, since it is larger than the sum of its proper divisors (199535893).

428183667 is a wasteful number, since it uses less digits than its factorization.

428183667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710162 (or 710159 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 428183667 is about 20692.5993292288. The cubic root of 428183667 is about 753.7199877492.

The spelling of 428183667 in words is "four hundred twenty-eight million, one hundred eighty-three thousand, six hundred sixty-seven".