613494336 has 336 divisors, whose sum is σ = 2091318144. Its totient is φ = 155271168.

The previous prime is 613494257. The next prime is 613494377. The reversal of 613494336 is 633494316.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 613494294 and 613494303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8403996 + ... + 8404068.

Almost surely, 2^613494336 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 613494336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045659072).

613494336 is an abundant number, since it is smaller than the sum of its proper divisors (1477823808).

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

613494336 is a wasteful number, since it uses less digits than its factorization.

613494336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 135 counting only the distinct ones).

The product of its digits is 139968, while the sum is 39.

The square root of 613494336 is about 24768.8178159556. The cubic root of 613494336 is about 849.7089365601.

The spelling of 613494336 in words is "six hundred thirteen million, four hundred ninety-four thousand, three hundred thirty-six".