239452240 has 20 divisors (see below), whose sum is σ = 556726644. Its totient is φ = 95780864.

The previous prime is 239452229. The next prime is 239452249. The reversal of 239452240 is 42254932.

It can be written as a sum of positive squares in 2 ways, for example, as 29550096 + 209902144 = 5436^2 + 14488^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239452249) 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, 1496497 + ... + 1496656.

Almost surely, 2^239452240 is an apocalyptic number.

239452240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239452240 is an abundant number, since it is smaller than the sum of its proper divisors (317274404).

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

239452240 is a wasteful number, since it uses less digits than its factorization.

239452240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993166 (or 2993160 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 239452240 is about 15474.2444080478. The cubic root of 239452240 is about 620.9733583633.

The spelling of 239452240 in words is "two hundred thirty-nine million, four hundred fifty-two thousand, two hundred forty".