239884134 has 16 divisors (see below), whose sum is σ = 548306688. Its totient is φ = 68538312.

The previous prime is 239884129. The next prime is 239884163. The reversal of 239884134 is 431488932.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5711527 = 239884134 / (2 + 3 + 9 + 8 + 8 + 4 + 1 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2855722 + ... + 2855805.

It is an arithmetic number, because the mean of its divisors is an integer number (34269168).

Almost surely, 2^239884134 is an apocalyptic number.

239884134 is an abundant number, since it is smaller than the sum of its proper divisors (308422554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

239884134 is a wasteful number, since it uses less digits than its factorization.

239884134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711539.

The product of its digits is 165888, while the sum is 42.

The square root of 239884134 is about 15488.1933743093. The cubic root of 239884134 is about 621.3464788147.

The spelling of 239884134 in words is "two hundred thirty-nine million, eight hundred eighty-four thousand, one hundred thirty-four".