838421848 has 32 divisors (see below), whose sum is σ = 1716066000. Its totient is φ = 380853760.

The previous prime is 838421809. The next prime is 838421851. The reversal of 838421848 is 848124838.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 838421798 and 838421807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259668 + ... + 262876.

Almost surely, 2^838421848 is an apocalyptic number.

838421848 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

838421848 is an abundant number, since it is smaller than the sum of its proper divisors (877644152).

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

838421848 is a wasteful number, since it uses less digits than its factorization.

838421848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195 (or 6191 counting only the distinct ones).

The product of its digits is 393216, while the sum is 46.

The square root of 838421848 is about 28955.5149841960. The cubic root of 838421848 is about 942.9475337102.

The spelling of 838421848 in words is "eight hundred thirty-eight million, four hundred twenty-one thousand, eight hundred forty-eight".