542832389 has 16 divisors (see below), whose sum is σ = 627777216. Its totient is φ = 463891200.

The previous prime is 542832373. The next prime is 542832397. The reversal of 542832389 is 983238245.

It is a cyclic number.

It is not a de Polignac number, because 542832389 - 2⁴ = 542832373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542832319) 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, 243299 + ... + 245519.

It is an arithmetic number, because the mean of its divisors is an integer number (39236076).

Almost surely, 2^542832389 is an apocalyptic number.

It is an amenable number.

542832389 is a deficient number, since it is larger than the sum of its proper divisors (84944827).

542832389 is a wasteful number, since it uses less digits than its factorization.

542832389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556.

The product of its digits is 414720, while the sum is 44.

The square root of 542832389 is about 23298.7636796462. The cubic root of 542832389 is about 815.7465597048.

The spelling of 542832389 in words is "five hundred forty-two million, eight hundred thirty-two thousand, three hundred eighty-nine".