7384394556 has 144 divisors (see below), whose sum is σ = 24023021568. Its totient is φ = 1856131200.

The previous prime is 7384394539. The next prime is 7384394569. The reversal of 7384394556 is 6554934837.

7384394556 is a `hidden beast` number, since 7 + 3 + 84 + 3 + 9 + 4 + 556 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42966 + ... + 128898.

Almost surely, 2^7384394556 is an apocalyptic number.

It is a pronic number, being equal to 85932×85933.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7384394556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12011510784).

7384394556 is an abundant number, since it is smaller than the sum of its proper divisors (16638627012).

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

7384394556 is a wasteful number, since it uses less digits than its factorization.

7384394556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85992 (or 85987 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The square root of 7384394556 is about 85932.4999985454. The cubic root of 7384394556 is about 1947.3243650998.

The spelling of 7384394556 in words is "seven billion, three hundred eighty-four million, three hundred ninety-four thousand, five hundred fifty-six".