838215 has 32 divisors (see below), whose sum is σ = 1704960. Its totient is φ = 382752.

The previous prime is 838207. The next prime is 838247. The reversal of 838215 is 512838.

It is a happy number.

838215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 838215 - 2³ = 838207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 502 + ... + 1388.

It is an arithmetic number, because the mean of its divisors is an integer number (53280).

2⁸³⁸²¹⁵ is an apocalyptic number.

838215 is an abundant number, since it is smaller than the sum of its proper divisors (866745).

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

838215 is a wasteful number, since it uses less digits than its factorization.

838215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 902 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 838215 is about 915.5408237758. The cubic root of 838215 is about 94.2869982116.

The spelling of 838215 in words is "eight hundred thirty-eight thousand, two hundred fifteen".