424139683 has 8 divisors (see below), whose sum is σ = 467191296. Its totient is φ = 381837000.

The previous prime is 424139669. The next prime is 424139687. The reversal of 424139683 is 386931424.

It is a happy number.

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-424139683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424139687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186043 + ... + 188308.

It is an arithmetic number, because the mean of its divisors is an integer number (58398912).

Almost surely, 2^424139683 is an apocalyptic number.

424139683 is a deficient number, since it is larger than the sum of its proper divisors (43051613).

424139683 is a wasteful number, since it uses less digits than its factorization.

424139683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374465.

The product of its digits is 124416, while the sum is 40.

The square root of 424139683 is about 20594.6518057480. The cubic root of 424139683 is about 751.3396400982.

The spelling of 424139683 in words is "four hundred twenty-four million, one hundred thirty-nine thousand, six hundred eighty-three".