424329929 has 8 divisors (see below), whose sum is σ = 426557640. Its totient is φ = 422107776.

The previous prime is 424329883. The next prime is 424329931. The reversal of 424329929 is 929923424.

It can be written as a sum of positive squares in 4 ways, for example, as 57684025 + 366645904 = 7595^2 + 19148^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424329929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424329929.

It is not an unprimeable number, because it can be changed into a prime (424329989) 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 7 ways as a sum of consecutive naturals, for example, 295397 + ... + 296829.

It is an arithmetic number, because the mean of its divisors is an integer number (53319705).

Almost surely, 2^424329929 is an apocalyptic number.

It is an amenable number.

424329929 is a deficient number, since it is larger than the sum of its proper divisors (2227711).

424329929 is a wasteful number, since it uses less digits than its factorization.

424329929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its digits is 279936, while the sum is 44.

The square root of 424329929 is about 20599.2701084286. The cubic root of 424329929 is about 751.4519600097.

The spelling of 424329929 in words is "four hundred twenty-four million, three hundred twenty-nine thousand, nine hundred twenty-nine".