428214683 has 16 divisors (see below), whose sum is σ = 499647456. Its totient is φ = 363363840.

The previous prime is 428214673. The next prime is 428214691. The reversal of 428214683 is 386412824.

It is a cyclic number.

It is not a de Polignac number, because 428214683 - 2⁸ = 428214427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428214643) 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 15 ways as a sum of consecutive naturals, for example, 13028 + ... + 32033.

It is an arithmetic number, because the mean of its divisors is an integer number (31227966).

Almost surely, 2^428214683 is an apocalyptic number.

428214683 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

428214683 is a deficient number, since it is larger than the sum of its proper divisors (71432773).

428214683 is a wasteful number, since it uses less digits than its factorization.

428214683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45134.

The product of its digits is 73728, while the sum is 38.

The square root of 428214683 is about 20693.3487623439. The cubic root of 428214683 is about 753.7381861817.

The spelling of 428214683 in words is "four hundred twenty-eight million, two hundred fourteen thousand, six hundred eighty-three".