533731830 has 64 divisors (see below), whose sum is σ = 1370416320. Its totient is φ = 132562944.

The previous prime is 533731823. The next prime is 533731853. The reversal of 533731830 is 38137335.

It is a junction number, because it is equal to n+sod(n) for n = 533731791 and 533731800.

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 31 ways as a sum of consecutive naturals, for example, 44076 + ... + 54864.

It is an arithmetic number, because the mean of its divisors is an integer number (21412755).

Almost surely, 2^533731830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533731830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685208160).

533731830 is an abundant number, since it is smaller than the sum of its proper divisors (836684490).

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

533731830 is a wasteful number, since it uses less digits than its factorization.

533731830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10913.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 533731830 is about 23102.6368624882. The cubic root of 533731830 is about 811.1621938943.

The spelling of 533731830 in words is "five hundred thirty-three million, seven hundred thirty-one thousand, eight hundred thirty".