838781468 has 12 divisors (see below), whose sum is σ = 1677562992. Its totient is φ = 359477760.

The previous prime is 838781459. The next prime is 838781491. The reversal of 838781468 is 864187838.

It is a happy number.

838781468 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14978213 + ... + 14978268.

It is an arithmetic number, because the mean of its divisors is an integer number (139796916).

Almost surely, 2^838781468 is an apocalyptic number.

It is an amenable number.

838781468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

838781468 is a wasteful number, since it uses less digits than its factorization.

838781468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29956492 (or 29956490 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 53.

The square root of 838781468 is about 28961.7241890050. The cubic root of 838781468 is about 943.0823323286.

The spelling of 838781468 in words is "eight hundred thirty-eight million, seven hundred eighty-one thousand, four hundred sixty-eight".