1229738808 has 64 divisors (see below), whose sum is σ = 3173760000. Its totient is φ = 396772992.

The previous prime is 1229738779. The next prime is 1229738831. The reversal of 1229738808 is 8088379221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173233 + ... + 180191.

It is an arithmetic number, because the mean of its divisors is an integer number (49590000).

Almost surely, 2^1229738808 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 1229738808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586880000).

1229738808 is an abundant number, since it is smaller than the sum of its proper divisors (1944021192).

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

1229738808 is a wasteful number, since it uses less digits than its factorization.

1229738808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204 (or 7200 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 1229738808 is about 35067.6319132045. The cubic root of 1229738808 is about 1071.3654237018.

The spelling of 1229738808 in words is "one billion, two hundred twenty-nine million, seven hundred thirty-eight thousand, eight hundred eight".