239942534 has 8 divisors (see below), whose sum is σ = 387599520. Its totient is φ = 110742696.

The previous prime is 239942531. The next prime is 239942551. The reversal of 239942534 is 435249932.

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

It is a junction number, because it is equal to n+sod(n) for n = 239942491 and 239942500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239942531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4614254 + ... + 4614305.

It is an arithmetic number, because the mean of its divisors is an integer number (48449940).

Almost surely, 2^239942534 is an apocalyptic number.

239942534 is a deficient number, since it is larger than the sum of its proper divisors (147656986).

239942534 is a wasteful number, since it uses less digits than its factorization.

239942534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9228574.

The product of its digits is 233280, while the sum is 41.

The square root of 239942534 is about 15490.0785666181. The cubic root of 239942534 is about 621.3968971695.

The spelling of 239942534 in words is "two hundred thirty-nine million, nine hundred forty-two thousand, five hundred thirty-four".