613406886 has 16 divisors (see below), whose sum is σ = 1298979504. Its totient is φ = 192441344.

The previous prime is 613406881. The next prime is 613406897. The reversal of 613406886 is 688604316.

It is a happy number.

613406886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613406881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006795 + ... + 3006998.

It is an arithmetic number, because the mean of its divisors is an integer number (81186219).

Almost surely, 2^613406886 is an apocalyptic number.

613406886 is an abundant number, since it is smaller than the sum of its proper divisors (685572618).

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

613406886 is a wasteful number, since it uses less digits than its factorization.

613406886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6013815.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 613406886 is about 24767.0524285794. The cubic root of 613406886 is about 849.6685609754.

The spelling of 613406886 in words is "six hundred thirteen million, four hundred six thousand, eight hundred eighty-six".