612339685 has 8 divisors (see below), whose sum is σ = 734992416. Its totient is φ = 489748560.

The previous prime is 612339671. The next prime is 612339691. The reversal of 612339685 is 586933216.

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

It is not a de Polignac number, because 612339685 - 2⁵ = 612339653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10402 + ... + 36508.

It is an arithmetic number, because the mean of its divisors is an integer number (91874052).

Almost surely, 2^612339685 is an apocalyptic number.

It is an amenable number.

612339685 is a deficient number, since it is larger than the sum of its proper divisors (122652731).

612339685 is a wasteful number, since it uses less digits than its factorization.

612339685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30803.

The product of its digits is 233280, while the sum is 43.

The square root of 612339685 is about 24745.4982774645. The cubic root of 612339685 is about 849.1755258031.

The spelling of 612339685 in words is "six hundred twelve million, three hundred thirty-nine thousand, six hundred eighty-five".