613849880 has 64 divisors (see below), whose sum is σ = 1581560640. Its totient is φ = 210051072.

The previous prime is 613849861. The next prime is 613849949. The reversal of 613849880 is 88948316.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 164192 + ... + 167888.

It is an arithmetic number, because the mean of its divisors is an integer number (24711885).

Almost surely, 2^613849880 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 613849880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790780320).

613849880 is an abundant number, since it is smaller than the sum of its proper divisors (967710760).

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

613849880 is a wasteful number, since it uses less digits than its factorization.

613849880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 613849880 is about 24775.9940264765. The cubic root of 613849880 is about 849.8730513986.

The spelling of 613849880 in words is "six hundred thirteen million, eight hundred forty-nine thousand, eight hundred eighty".