613385344 has 256 divisors, whose sum is σ = 1579253760. Its totient is φ = 233164800.

The previous prime is 613385327. The next prime is 613385363. The reversal of 613385344 is 443583316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13050729 + ... + 13050775.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^613385344 is an apocalyptic number.

613385344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613385344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789626880).

613385344 is an abundant number, since it is smaller than the sum of its proper divisors (965868416).

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

613385344 is a wasteful number, since it uses less digits than its factorization.

613385344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 127 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 613385344 is about 24766.6175324771. The cubic root of 613385344 is about 849.6586144648.

The spelling of 613385344 in words is "six hundred thirteen million, three hundred eighty-five thousand, three hundred forty-four".