614308639 has 6 divisors (see below), whose sum is σ = 714603984. Its totient is φ = 526550220.

The previous prime is 614308601. The next prime is 614308657. The reversal of 614308639 is 936803416.

It is not a de Polignac number, because 614308639 - 2¹³ = 614300447 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 (614308339) 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 5 ways as a sum of consecutive naturals, for example, 6268407 + ... + 6268504.

It is an arithmetic number, because the mean of its divisors is an integer number (119100664).

Almost surely, 2^614308639 is an apocalyptic number.

614308639 is a deficient number, since it is larger than the sum of its proper divisors (100295345).

614308639 is a wasteful number, since it uses less digits than its factorization.

614308639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536925 (or 12536918 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 614308639 is about 24785.2504324649. The cubic root of 614308639 is about 850.0847154320.

The spelling of 614308639 in words is "six hundred fourteen million, three hundred eight thousand, six hundred thirty-nine".