532385784 has 264 divisors, whose sum is σ = 1817517960. Its totient is φ = 145496736.

The previous prime is 532385771. The next prime is 532385797. The reversal of 532385784 is 487583235.

532385784 is a `hidden beast` number, since 53 + 23 + 8 + 578 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (532385771) and next prime (532385797).

Its product of digits (806400) is a multiple of the sum of its prime divisors (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 65 ways as a sum of consecutive naturals, for example, 23147197 + ... + 23147219.

Almost surely, 2^532385784 is an apocalyptic number.

532385784 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 532385784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908758980).

532385784 is an abundant number, since it is smaller than the sum of its proper divisors (1285132176).

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

532385784 is an equidigital number, since it uses as much as digits as its factorization.

532385784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 35 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 532385784 is about 23073.4866025922. The cubic root of 532385784 is about 810.4797158362.

The spelling of 532385784 in words is "five hundred thirty-two million, three hundred eighty-five thousand, seven hundred eighty-four".