613796840 has 32 divisors (see below), whose sum is σ = 1388071080. Its totient is φ = 244269312.

The previous prime is 613796839. The next prime is 613796893. The reversal of 613796840 is 48697316.

613796840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 612760516 + 1036324 = 24754^2 + 1018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 613796791 and 613796800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31067 + ... + 46826.

Almost surely, 2^613796840 is an apocalyptic number.

It is an amenable number.

613796840 is an abundant number, since it is smaller than the sum of its proper divisors (774274240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613796840 is a wasteful number, since it uses less digits than its factorization.

613796840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78101 (or 78097 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 613796840 is about 24774.9236123949. The cubic root of 613796840 is about 849.8485727942.

The spelling of 613796840 in words is "six hundred thirteen million, seven hundred ninety-six thousand, eight hundred forty".