838788 has 12 divisors (see below), whose sum is σ = 1957200. Its totient is φ = 279592.

The previous prime is 838781. The next prime is 838807. The reversal of 838788 is 887838.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (838781) by changing a digit.

838788 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 in 3 ways as a sum of consecutive naturals, for example, 34938 + ... + 34961.

It is an arithmetic number, because the mean of its divisors is an integer number (163100).

2⁸³⁸⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

838788 is an abundant number, since it is smaller than the sum of its proper divisors (1118412).

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

838788 is a wasteful number, since it uses less digits than its factorization.

838788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69906 (or 69904 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 838788 is about 915.8537001072. The cubic root of 838788 is about 94.3084780403.

The spelling of 838788 in words is "eight hundred thirty-eight thousand, seven hundred eighty-eight".