534641634 has 80 divisors (see below), whose sum is σ = 1238767992. Its totient is φ = 172253952.

The previous prime is 534641633. The next prime is 534641683. The reversal of 534641634 is 436146435.

534641634 is a `hidden beast` number, since 5 + 3 + 4 + 641 + 6 + 3 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 404613225 + 130028409 = 20115^2 + 11403^2 .

It is not an unprimeable number, because it can be changed into a prime (534641633) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 626352 + ... + 627204.

Almost surely, 2^534641634 is an apocalyptic number.

534641634 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 534641634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619383996).

534641634 is an abundant number, since it is smaller than the sum of its proper divisors (704126358).

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

534641634 is a wasteful number, since it uses less digits than its factorization.

534641634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 984 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 534641634 is about 23122.3189580976. The cubic root of 534641634 is about 811.6228370057.

The spelling of 534641634 in words is "five hundred thirty-four million, six hundred forty-one thousand, six hundred thirty-four".