1238796288 has 192 divisors, whose sum is σ = 3762158400. Its totient is φ = 402554880.

The previous prime is 1238796271. The next prime is 1238796311. The reversal of 1238796288 is 8826978321.

It is a happy number.

1238796288 is a `hidden beast` number, since 1 + 2 + 3 + 8 + 7 + 9 + 628 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 2377468 + ... + 2377988.

It is an arithmetic number, because the mean of its divisors is an integer number (19594575).

Almost surely, 2^1238796288 is an apocalyptic number.

1238796288 is a gapful number since it is divisible by the number (18) 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 1238796288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1881079200).

1238796288 is an abundant number, since it is smaller than the sum of its proper divisors (2523362112).

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

1238796288 is an equidigital number, since it uses as much as digits as its factorization.

1238796288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 569 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 1238796288 is about 35196.5380115715. The cubic root of 1238796288 is about 1073.9893260698.

The spelling of 1238796288 in words is "one billion, two hundred thirty-eight million, seven hundred ninety-six thousand, two hundred eighty-eight".