614223648 has 120 divisors (see below), whose sum is σ = 1885137408. Its totient is φ = 195820416.

The previous prime is 614223641. The next prime is 614223661. The reversal of 614223648 is 846322416.

614223648 is a `hidden beast` number, since 6 + 1 + 4 + 2 + 2 + 3 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (614223641) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54465 + ... + 64767.

Almost surely, 2^614223648 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 614223648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942568704).

614223648 is an abundant number, since it is smaller than the sum of its proper divisors (1270913760).

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

614223648 is a wasteful number, since it uses less digits than its factorization.

614223648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10348 (or 10331 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 614223648 is about 24783.5358252207. The cubic root of 614223648 is about 850.0455099047.

The spelling of 614223648 in words is "six hundred fourteen million, two hundred twenty-three thousand, six hundred forty-eight".