428947683 has 16 divisors (see below), whose sum is σ = 577414656. Its totient is φ = 283235840.

The previous prime is 428947681. The next prime is 428947691. The reversal of 428947683 is 386749824.

It is a cyclic number.

It is not a de Polignac number, because 428947683 - 2¹ = 428947681 is a prime.

It is a super-2 number, since 2×428947683² = 367992229502136978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (428947681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154435 + ... + 157187.

It is an arithmetic number, because the mean of its divisors is an integer number (36088416).

Almost surely, 2^428947683 is an apocalyptic number.

428947683 is a deficient number, since it is larger than the sum of its proper divisors (148466973).

428947683 is a wasteful number, since it uses less digits than its factorization.

428947683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234.

The product of its digits is 2322432, while the sum is 51.

The square root of 428947683 is about 20711.0521944203. The cubic root of 428947683 is about 754.1680135313.

The spelling of 428947683 in words is "four hundred twenty-eight million, nine hundred forty-seven thousand, six hundred eighty-three".