542986239 has 8 divisors (see below), whose sum is σ = 766568880. Its totient is φ = 340697216.

The previous prime is 542986217. The next prime is 542986243. The reversal of 542986239 is 932689245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542986239 - 2⁵ = 542986207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542986289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5323344 + ... + 5323445.

It is an arithmetic number, because the mean of its divisors is an integer number (95821110).

Almost surely, 2^542986239 is an apocalyptic number.

542986239 is a deficient number, since it is larger than the sum of its proper divisors (223582641).

542986239 is a wasteful number, since it uses less digits than its factorization.

542986239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10646809.

The product of its digits is 933120, while the sum is 48.

The square root of 542986239 is about 23302.0651230744. The cubic root of 542986239 is about 815.8236189444.

The spelling of 542986239 in words is "five hundred forty-two million, nine hundred eighty-six thousand, two hundred thirty-nine".