239369040 has 80 divisors (see below), whose sum is σ = 824500800. Its totient is φ = 63831168.

The previous prime is 239369033. The next prime is 239369057. The reversal of 239369040 is 40963932.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 239368986 and 239369004.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 53250 + ... + 57569.

It is an arithmetic number, because the mean of its divisors is an integer number (10306260).

Almost surely, 2^239369040 is an apocalyptic number.

239369040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239369040 is an abundant number, since it is smaller than the sum of its proper divisors (585131760).

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

239369040 is a wasteful number, since it uses less digits than its factorization.

239369040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110841 (or 110829 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 239369040 is about 15471.5558364374. Note that the first 3 decimals coincide. The cubic root of 239369040 is about 620.9014289625.

The spelling of 239369040 in words is "two hundred thirty-nine million, three hundred sixty-nine thousand, forty".