239630380 has 48 divisors (see below), whose sum is σ = 550720800. Its totient is φ = 86860800.

The previous prime is 239630371. The next prime is 239630381. The reversal of 239630380 is 83036932.

239630380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (239630381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75220 + ... + 78340.

It is an arithmetic number, because the mean of its divisors is an integer number (11473350).

Almost surely, 2^239630380 is an apocalyptic number.

239630380 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 239630380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275360400).

239630380 is an abundant number, since it is smaller than the sum of its proper divisors (311090420).

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

239630380 is a wasteful number, since it uses less digits than its factorization.

239630380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 239630380 is about 15479.9993540052. Note that the first 3 decimals coincide. The cubic root of 239630380 is about 621.1273108084.

The spelling of 239630380 in words is "two hundred thirty-nine million, six hundred thirty thousand, three hundred eighty".