556734384 has 140 divisors (see below), whose sum is σ = 1646713800. Its totient is φ = 182207232.

The previous prime is 556734383. The next prime is 556734397. The reversal of 556734384 is 483437655.

556734384 is a `hidden beast` number, since 5 + 567 + 3 + 4 + 3 + 84 = 666.

It is not an unprimeable number, because it can be changed into a prime (556734383) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 687772 + ... + 688580.

Almost surely, 2^556734384 is an apocalyptic number.

556734384 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556734384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823356900).

556734384 is an abundant number, since it is smaller than the sum of its proper divisors (1089979416).

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

556734384 is an equidigital number, since it uses as much as digits as its factorization.

556734384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 873 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 556734384 is about 23595.2195158257. The cubic root of 556734384 is about 822.6517288597.

The spelling of 556734384 in words is "five hundred fifty-six million, seven hundred thirty-four thousand, three hundred eighty-four".