514988639 has 8 divisors (see below), whose sum is σ = 571328640. Its totient is φ = 460235800.

The previous prime is 514988629. The next prime is 514988687. The reversal of 514988639 is 936889415.

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

It is a cyclic number.

It is not a de Polignac number, because 514988639 - 2⁴ = 514988623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514988609) 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, 396107 + ... + 397404.

It is an arithmetic number, because the mean of its divisors is an integer number (71416080).

Almost surely, 2^514988639 is an apocalyptic number.

514988639 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

514988639 is a deficient number, since it is larger than the sum of its proper divisors (56340001).

514988639 is a wasteful number, since it uses less digits than its factorization.

514988639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793581.

The product of its digits is 1866240, while the sum is 53.

The square root of 514988639 is about 22693.3611217025. The cubic root of 514988639 is about 801.5535639085.

The spelling of 514988639 in words is "five hundred fourteen million, nine hundred eighty-eight thousand, six hundred thirty-nine".