642383246 has 8 divisors (see below), whose sum is σ = 963699984. Its totient is φ = 321149920.

The previous prime is 642383239. The next prime is 642383249.

642383246 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642383249) 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 3 ways as a sum of consecutive naturals, for example, 4631 + ... + 36141.

It is an arithmetic number, because the mean of its divisors is an integer number (120462498).

Almost surely, 2^642383246 is an apocalyptic number.

642383246 is a deficient number, since it is larger than the sum of its proper divisors (321316738).

642383246 is a wasteful number, since it uses less digits than its factorization.

642383246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41706.

The product of its digits is 165888, while the sum is 38.

The square root of 642383246 is about 25345.2805468789. The cubic root of 642383246 is about 862.8422484355.

The spelling of 642383246 in words is "six hundred forty-two million, three hundred eighty-three thousand, two hundred forty-six".