613399488 has 56 divisors (see below), whose sum is σ = 1747802448. Its totient is φ = 188737536.

The previous prime is 613399487. The next prime is 613399499. The reversal of 613399488 is 884993316.

613399488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 613399488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613399487) 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, 120381 + ... + 125372.

It is an arithmetic number, because the mean of its divisors is an integer number (31210758).

Almost surely, 2^613399488 is an apocalyptic number.

It is an amenable number.

613399488 is an abundant number, since it is smaller than the sum of its proper divisors (1134402960).

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

613399488 is a wasteful number, since it uses less digits than its factorization.

613399488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245781 (or 245771 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 613399488 is about 24766.9030764850. The cubic root of 613399488 is about 849.6651451496.

The spelling of 613399488 in words is "six hundred thirteen million, three hundred ninety-nine thousand, four hundred eighty-eight".