1238983896 has 32 divisors (see below), whose sum is σ = 3098462400. Its totient is φ = 412860960.

The previous prime is 1238983861. The next prime is 1238983909. The reversal of 1238983896 is 6983898321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91875 + ... + 104493.

It is an arithmetic number, because the mean of its divisors is an integer number (96826950).

Almost surely, 2^1238983896 is an apocalyptic number.

It is an amenable number.

1238983896 is an abundant number, since it is smaller than the sum of its proper divisors (1859478504).

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

1238983896 is a wasteful number, since it uses less digits than its factorization.

1238983896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16719 (or 16715 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 57.

The square root of 1238983896 is about 35199.2030591603. The cubic root of 1238983896 is about 1074.0435396696.

The spelling of 1238983896 in words is "one billion, two hundred thirty-eight million, nine hundred eighty-three thousand, eight hundred ninety-six".