838438741 has 8 divisors (see below), whose sum is σ = 989126144. Its totient is φ = 695478960.

The previous prime is 838438729. The next prime is 838438751. The reversal of 838438741 is 147834838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 838438741 - 2²⁷ = 704221013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 838438691 and 838438700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838438721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1931670 + ... + 1932103.

It is an arithmetic number, because the mean of its divisors is an integer number (123640768).

Almost surely, 2^838438741 is an apocalyptic number.

It is an amenable number.

838438741 is a deficient number, since it is larger than the sum of its proper divisors (150687403).

838438741 is a wasteful number, since it uses less digits than its factorization.

838438741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863811.

The product of its digits is 516096, while the sum is 46.

The square root of 838438741 is about 28955.8066888146. The cubic root of 838438741 is about 942.9538666820.

The spelling of 838438741 in words is "eight hundred thirty-eight million, four hundred thirty-eight thousand, seven hundred forty-one".