1239930368 has 80 divisors (see below), whose sum is σ = 2623332096. Its totient is φ = 584263680.

The previous prime is 1239930361. The next prime is 1239930401. The reversal of 1239930368 is 8630399321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1239930361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835355 + ... + 836837.

Almost surely, 2^1239930368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1239930368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311666048).

1239930368 is an abundant number, since it is smaller than the sum of its proper divisors (1383401728).

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

1239930368 is an equidigital number, since it uses as much as digits as its factorization.

1239930368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 1239930368 is about 35212.6450014764. The cubic root of 1239930368 is about 1074.3169608709.

The spelling of 1239930368 in words is "one billion, two hundred thirty-nine million, nine hundred thirty thousand, three hundred sixty-eight".