613284620 has 72 divisors (see below), whose sum is σ = 1426292784. Its totient is φ = 220195584.

The previous prime is 613284611. The next prime is 613284631. The reversal of 613284620 is 26482316.

613284620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×613284620² = 752236050257088800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355079 + ... + 356801.

It is an arithmetic number, because the mean of its divisors is an integer number (19809622).

Almost surely, 2^613284620 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 613284620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713146392).

613284620 is an abundant number, since it is smaller than the sum of its proper divisors (813008164).

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

613284620 is a wasteful number, since it uses less digits than its factorization.

613284620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 613284620 is about 24764.5839860071. The cubic root of 613284620 is about 849.6121044419.

The spelling of 613284620 in words is "six hundred thirteen million, two hundred eighty-four thousand, six hundred twenty".