616892042 has 16 divisors (see below), whose sum is σ = 1006388712. Its totient is φ = 281899200.

The previous prime is 616892041. The next prime is 616892047. The reversal of 616892042 is 240298616.

It can be written as a sum of positive squares in 4 ways, for example, as 614990401 + 1901641 = 24799^2 + 1379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 616891987 and 616892005.

It is not an unprimeable number, because it can be changed into a prime (616892041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114833 + ... + 120084.

Almost surely, 2^616892042 is an apocalyptic number.

616892042 is a deficient number, since it is larger than the sum of its proper divisors (389496670).

616892042 is a wasteful number, since it uses less digits than its factorization.

616892042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235033.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 616892042 is about 24837.3114889676. The cubic root of 616892042 is about 851.2746927717.

The spelling of 616892042 in words is "six hundred sixteen million, eight hundred ninety-two thousand, forty-two".