613228896 has 288 divisors, whose sum is σ = 2186533440. Its totient is φ = 158957568.

The previous prime is 613228883. The next prime is 613228897. The reversal of 613228896 is 698822316.

613228896 is a `hidden beast` number, since 613 + 2 + 28 + 8 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613228897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 993580 + ... + 994196.

It is an arithmetic number, because the mean of its divisors is an integer number (7592130).

Almost surely, 2^613228896 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 613228896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093266720).

613228896 is an abundant number, since it is smaller than the sum of its proper divisors (1573304544).

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

613228896 is a wasteful number, since it uses less digits than its factorization.

613228896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 675 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 613228896 is about 24763.4588860280. The cubic root of 613228896 is about 849.5863713008.

The spelling of 613228896 in words is "six hundred thirteen million, two hundred twenty-eight thousand, eight hundred ninety-six".