534814644 has 96 divisors (see below), whose sum is σ = 1557149440. Its totient is φ = 139097088.

The previous prime is 534814639. The next prime is 534814667. The reversal of 534814644 is 446418435.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76362 + ... + 83070.

Almost surely, 2^534814644 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 534814644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778574720).

534814644 is an abundant number, since it is smaller than the sum of its proper divisors (1022334796).

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

534814644 is a wasteful number, since it uses less digits than its factorization.

534814644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809 (or 6807 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 534814644 is about 23126.0598459833. The cubic root of 534814644 is about 811.7103745974.

The spelling of 534814644 in words is "five hundred thirty-four million, eight hundred fourteen thousand, six hundred forty-four".