1238896320 has 112 divisors (see below), whose sum is σ = 3942636768. Its totient is φ = 329605120.

The previous prime is 1238896313. The next prime is 1238896331. The reversal of 1238896320 is 236988321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498922 + ... + 501398.

It is an arithmetic number, because the mean of its divisors is an integer number (35202114).

Almost surely, 2^1238896320 is an apocalyptic number.

1238896320 is a gapful number since it is divisible by the number (10) 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 1238896320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1971318384).

1238896320 is an abundant number, since it is smaller than the sum of its proper divisors (2703740448).

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

1238896320 is a wasteful number, since it uses less digits than its factorization.

1238896320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1238896320 is about 35197.9590317393. The cubic root of 1238896320 is about 1074.0182332731.

The spelling of 1238896320 in words is "one billion, two hundred thirty-eight million, eight hundred ninety-six thousand, three hundred twenty".