239463840 has 576 divisors, whose sum is σ = 1029611520. Its totient is φ = 45619200.

The previous prime is 239463827. The next prime is 239463841. The reversal of 239463840 is 48364932.

239463840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (239463841) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7724625 + ... + 7724655.

It is an arithmetic number, because the mean of its divisors is an integer number (1787520).

Almost surely, 2^239463840 is an apocalyptic number.

239463840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239463840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514805760).

239463840 is an abundant number, since it is smaller than the sum of its proper divisors (790147680).

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

239463840 is a wasteful number, since it uses less digits than its factorization.

239463840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 239463840 is about 15474.6192198710. The cubic root of 239463840 is about 620.9833856581.

The spelling of 239463840 in words is "two hundred thirty-nine million, four hundred sixty-three thousand, eight hundred forty".