838641 has 8 divisors (see below), whose sum is σ = 1177120. Its totient is φ = 529632.

The previous prime is 838633. The next prime is 838657. The reversal of 838641 is 146838.

It is a happy number.

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

It is not a de Polignac number, because 838641 - 2³ = 838633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 838599 and 838608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838601) 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, 7300 + ... + 7413.

It is an arithmetic number, because the mean of its divisors is an integer number (147140).

2⁸³⁸⁶⁴¹ is an apocalyptic number.

It is an amenable number.

838641 is a deficient number, since it is larger than the sum of its proper divisors (338479).

838641 is a wasteful number, since it uses less digits than its factorization.

838641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14735.

The product of its digits is 4608, while the sum is 30.

The square root of 838641 is about 915.7734435984. The cubic root of 838641 is about 94.3029684414.

The spelling of 838641 in words is "eight hundred thirty-eight thousand, six hundred forty-one".