534947868 has 288 divisors, whose sum is σ = 1770854400. Its totient is φ = 136670976.

The previous prime is 534947783. The next prime is 534947909. The reversal of 534947868 is 868749435.

534947868 is a `hidden beast` number, since 534 + 9 + 47 + 8 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6771453 + ... + 6771531.

It is an arithmetic number, because the mean of its divisors is an integer number (6148800).

Almost surely, 2^534947868 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 534947868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885427200).

534947868 is an abundant number, since it is smaller than the sum of its proper divisors (1235906532).

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

534947868 is a wasteful number, since it uses less digits than its factorization.

534947868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 157 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 534947868 is about 23128.9400535347. The cubic root of 534947868 is about 811.7777688657. Note that the first 4 decimals are identical.

The spelling of 534947868 in words is "five hundred thirty-four million, nine hundred forty-seven thousand, eight hundred sixty-eight".