838773492 has 12 divisors (see below), whose sum is σ = 1957138176. Its totient is φ = 279591160.

The previous prime is 838773491. The next prime is 838773497. The reversal of 838773492 is 294377838.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838773491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34948884 + ... + 34948907.

It is an arithmetic number, because the mean of its divisors is an integer number (163094848).

Almost surely, 2^838773492 is an apocalyptic number.

It is an amenable number.

838773492 is an abundant number, since it is smaller than the sum of its proper divisors (1118364684).

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

838773492 is a wasteful number, since it uses less digits than its factorization.

838773492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69897798 (or 69897796 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 838773492 is about 28961.5864896936. The cubic root of 838773492 is about 943.0793430524.

The spelling of 838773492 in words is "eight hundred thirty-eight million, seven hundred seventy-three thousand, four hundred ninety-two".