613970856 has 96 divisors (see below), whose sum is σ = 1729933920. Its totient is φ = 196560000.

The previous prime is 613970801. The next prime is 613970879. The reversal of 613970856 is 658079316.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187231 + ... + 190481.

It is an arithmetic number, because the mean of its divisors is an integer number (18020145).

Almost surely, 2^613970856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613970856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864966960).

613970856 is an abundant number, since it is smaller than the sum of its proper divisors (1115963064).

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

613970856 is a wasteful number, since it uses less digits than its factorization.

613970856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367 (or 3360 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 613970856 is about 24778.4353016892. The cubic root of 613970856 is about 849.9288780169.

The spelling of 613970856 in words is "six hundred thirteen million, nine hundred seventy thousand, eight hundred fifty-six".