534194639 has 16 divisors (see below), whose sum is σ = 589455360. Its totient is φ = 480080160.

The previous prime is 534194627. The next prime is 534194659. The reversal of 534194639 is 936491435.

It is a cyclic number.

It is not a de Polignac number, because 534194639 - 2²⁸ = 265759183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 534194639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534194659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542942 + ... + 543924.

It is an arithmetic number, because the mean of its divisors is an integer number (36840960).

Almost surely, 2^534194639 is an apocalyptic number.

534194639 is a deficient number, since it is larger than the sum of its proper divisors (55260721).

534194639 is a wasteful number, since it uses less digits than its factorization.

534194639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510.

The product of its digits is 349920, while the sum is 44.

The square root of 534194639 is about 23112.6510595388. The cubic root of 534194639 is about 811.3965842040.

The spelling of 534194639 in words is "five hundred thirty-four million, one hundred ninety-four thousand, six hundred thirty-nine".