424287689 has 16 divisors (see below), whose sum is σ = 511104000. Its totient is φ = 344073744.

The previous prime is 424287679. The next prime is 424287707. The reversal of 424287689 is 986782424.

It is not a de Polignac number, because 424287689 - 2⁴ = 424287673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424287629) 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, 126962 + ... + 130260.

It is an arithmetic number, because the mean of its divisors is an integer number (31944000).

Almost surely, 2^424287689 is an apocalyptic number.

It is an amenable number.

424287689 is a deficient number, since it is larger than the sum of its proper divisors (86816311).

424287689 is a wasteful number, since it uses less digits than its factorization.

424287689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292.

The product of its digits is 1548288, while the sum is 50.

The square root of 424287689 is about 20598.2448038662. The cubic root of 424287689 is about 751.4270247082.

The spelling of 424287689 in words is "four hundred twenty-four million, two hundred eighty-seven thousand, six hundred eighty-nine".