869938 has 12 divisors (see below), whose sum is σ = 1349838. Its totient is φ = 420240.

The previous prime is 869927. The next prime is 869951. The reversal of 869938 is 839968.

It can be written as a sum of positive squares in only one way, i.e., 859329 + 10609 = 927^2 + 103^2 .

It is a junction number, because it is equal to n+sod(n) for n = 869894 and 869903.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8395 + ... + 8497.

2⁸⁶⁹⁹³⁸ is an apocalyptic number.

869938 is a deficient number, since it is larger than the sum of its proper divisors (479900).

869938 is a wasteful number, since it uses less digits than its factorization.

869938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 146 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 869938 is about 932.7046692282. The cubic root of 869938 is about 95.4617593119.

It can be divided in two parts, 8 and 69938, that multiplied together give a square (559504 = 748²).

The spelling of 869938 in words is "eight hundred sixty-nine thousand, nine hundred thirty-eight".