535000840 has 64 divisors (see below), whose sum is σ = 1343770560. Its totient is φ = 190014720.

The previous prime is 535000813. The next prime is 535000889. The reversal of 535000840 is 48000535.

It is a happy number.

535000840 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 4782 + ... + 33058.

It is an arithmetic number, because the mean of its divisors is an integer number (20996415).

Almost surely, 2^535000840 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 535000840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671885280).

535000840 is an abundant number, since it is smaller than the sum of its proper divisors (808769720).

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

535000840 is a wasteful number, since it uses less digits than its factorization.

535000840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28342 (or 28338 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 535000840 is about 23130.0851706171. The cubic root of 535000840 is about 811.8045627992.

The spelling of 535000840 in words is "five hundred thirty-five million, eight hundred forty", and thus it is an aban number.