616234642 has 8 divisors (see below), whose sum is σ = 925271100. Its totient is φ = 307810944.

The previous prime is 616234637. The next prime is 616234669. The reversal of 616234642 is 246432616.

It can be written as a sum of positive squares in 2 ways, for example, as 614593681 + 1640961 = 24791^2 + 1281^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 616234598 and 616234607.

It is an unprimeable number.

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, 150667 + ... + 154702.

Almost surely, 2^616234642 is an apocalyptic number.

616234642 is a deficient number, since it is larger than the sum of its proper divisors (309036458).

616234642 is a wasteful number, since it uses less digits than its factorization.

616234642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306380.

The product of its digits is 41472, while the sum is 34.

The square root of 616234642 is about 24824.0738397226. The cubic root of 616234642 is about 850.9721941957.

It can be divided in two parts, 6162 and 34642, that added together give a palindrome (40804).

The spelling of 616234642 in words is "six hundred sixteen million, two hundred thirty-four thousand, six hundred forty-two".