639024014 has 8 divisors (see below), whose sum is σ = 960634848. Its totient is φ = 318812400.

The previous prime is 639024013. The next prime is 639024037. The reversal of 639024014 is 410420936.

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 (639024011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348662 + ... + 350489.

It is an arithmetic number, because the mean of its divisors is an integer number (120079356).

Almost surely, 2^639024014 is an apocalyptic number.

639024014 is a deficient number, since it is larger than the sum of its proper divisors (321610834).

639024014 is a wasteful number, since it uses less digits than its factorization.

639024014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699610.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 639024014 is about 25278.9243046456. The cubic root of 639024014 is about 861.3355910423.

The spelling of 639024014 in words is "six hundred thirty-nine million, twenty-four thousand, fourteen".