534328389 has 18 divisors (see below), whose sum is σ = 897817830. Its totient is φ = 305330256.

The previous prime is 534328381. The next prime is 534328397. The reversal of 534328389 is 983823435.

534328389 is a `hidden beast` number, since 534 + 32 + 8 + 3 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (534328381) and next prime (534328397).

It can be written as a sum of positive squares in only one way, i.e., 303804900 + 230523489 = 17430^2 + 15183^2 .

It is not a de Polignac number, because 534328389 - 2³ = 534328381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534328381) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 605374 + ... + 606255.

Almost surely, 2^534328389 is an apocalyptic number.

It is an amenable number.

534328389 is a deficient number, since it is larger than the sum of its proper divisors (363489441).

534328389 is a wasteful number, since it uses less digits than its factorization.

534328389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211649 (or 1211639 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 534328389 is about 23115.5443154601. The cubic root of 534328389 is about 811.4642968747.

The spelling of 534328389 in words is "five hundred thirty-four million, three hundred twenty-eight thousand, three hundred eighty-nine".