838541436 has 12 divisors (see below), whose sum is σ = 1956596712. Its totient is φ = 279513808.

The previous prime is 838541423. The next prime is 838541443. The reversal of 838541436 is 634145838.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34939215 + ... + 34939238.

It is an arithmetic number, because the mean of its divisors is an integer number (163049726).

Almost surely, 2^838541436 is an apocalyptic number.

It is an amenable number.

838541436 is an abundant number, since it is smaller than the sum of its proper divisors (1118055276).

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

838541436 is a wasteful number, since it uses less digits than its factorization.

838541436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69878460 (or 69878458 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 838541436 is about 28957.5799403196. The cubic root of 838541436 is about 942.9923639067.

The spelling of 838541436 in words is "eight hundred thirty-eight million, five hundred forty-one thousand, four hundred thirty-six".