861338 has 8 divisors (see below), whose sum is σ = 1297620. Its totient is φ = 428800.

The previous prime is 861317. The next prime is 861347. The reversal of 861338 is 833168.

It can be written as a sum of positive squares in 2 ways, for example, as 851929 + 9409 = 923^2 + 97^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 861338.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263 + ... + 1338.

2⁸⁶¹³³⁸ is an apocalyptic number.

861338 is a deficient number, since it is larger than the sum of its proper divisors (436282).

861338 is a wasteful number, since it uses less digits than its factorization.

861338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872.

The product of its digits is 3456, while the sum is 29.

The square root of 861338 is about 928.0829704288. The cubic root of 861338 is about 95.1461462472.

The spelling of 861338 in words is "eight hundred sixty-one thousand, three hundred thirty-eight".