424285989 has 16 divisors (see below), whose sum is σ = 576710784. Its totient is φ = 277401600.

The previous prime is 424285969. The next prime is 424285997. The reversal of 424285989 is 989582424.

It is not a de Polignac number, because 424285989 - 2⁷ = 424285861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424285969) 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, 35949 + ... + 46269.

It is an arithmetic number, because the mean of its divisors is an integer number (36044424).

Almost surely, 2^424285989 is an apocalyptic number.

It is an amenable number.

424285989 is a deficient number, since it is larger than the sum of its proper divisors (152424795).

424285989 is a wasteful number, since it uses less digits than its factorization.

424285989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10588.

The product of its digits is 1658880, while the sum is 51.

The square root of 424285989 is about 20598.2035381729. The cubic root of 424285989 is about 751.4260211221.

The spelling of 424285989 in words is "four hundred twenty-four million, two hundred eighty-five thousand, nine hundred eighty-nine".