838772 has 18 divisors (see below), whose sum is σ = 1614354. Its totient is φ = 381040.

The previous prime is 838771. The next prime is 838777. The reversal of 838772 is 277838.

It is a happy number.

838772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 139876 = 836^2 + 374^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383 + ... + 1350.

2⁸³⁸⁷⁷² is an apocalyptic number.

It is an amenable number.

838772 is a deficient number, since it is larger than the sum of its proper divisors (775582).

838772 is a wasteful number, since it uses less digits than its factorization.

838772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1746 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 838772 is about 915.8449650459. The cubic root of 838772 is about 94.3078783873.

The spelling of 838772 in words is "eight hundred thirty-eight thousand, seven hundred seventy-two".