534843540 has 384 divisors, whose sum is σ = 2186956800. Its totient is φ = 105131520.

The previous prime is 534843539. The next prime is 534843557. The reversal of 534843540 is 45348435.

534843540 is a `hidden beast` number, since 5 + 34 + 84 + 3 + 540 = 666.

It is a super-2 number, since 2×534843540² = 572115224559463200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 534843495 and 534843504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 789682 + ... + 790358.

It is an arithmetic number, because the mean of its divisors is an integer number (5695200).

Almost surely, 2^534843540 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 534843540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093478400).

534843540 is an abundant number, since it is smaller than the sum of its proper divisors (1652113260).

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

534843540 is a wasteful number, since it uses less digits than its factorization.

534843540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 534843540 is about 23126.6845872901. The cubic root of 534843540 is about 811.7249932201.

The spelling of 534843540 in words is "five hundred thirty-four million, eight hundred forty-three thousand, five hundred forty".