239680534 has 16 divisors (see below), whose sum is σ = 373021200. Its totient is φ = 115364704.

The previous prime is 239680531. The next prime is 239680537. The reversal of 239680534 is 435086932.

It is an interprime number because it is at equal distance from previous prime (239680531) and next prime (239680537).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239680531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14172 + ... + 26080.

It is an arithmetic number, because the mean of its divisors is an integer number (23313825).

Almost surely, 2^239680534 is an apocalyptic number.

239680534 is a deficient number, since it is larger than the sum of its proper divisors (133340666).

239680534 is a wasteful number, since it uses less digits than its factorization.

239680534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12287.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 239680534 is about 15481.6192305585. The cubic root of 239680534 is about 621.1706412159.

The spelling of 239680534 in words is "two hundred thirty-nine million, six hundred eighty thousand, five hundred thirty-four".