838648 has 8 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 419320.

The previous prime is 838633. The next prime is 838657. The reversal of 838648 is 846838.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

838648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52408 + ... + 52423.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2⁸³⁸⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

838648 is a deficient number, since it is larger than the sum of its proper divisors (733832).

838648 is a wasteful number, since it uses less digits than its factorization.

838648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104837 (or 104833 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 838648 is about 915.7772654964. Note that the first 3 decimals coincide. The cubic root of 838648 is about 94.3032308179.

The spelling of 838648 in words is "eight hundred thirty-eight thousand, six hundred forty-eight".