869356 has 6 divisors (see below), whose sum is σ = 1521380. Its totient is φ = 434676.

The previous prime is 869339. The next prime is 869369. The reversal of 869356 is 653968.

It is an unprimeable number.

869356 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108666 + ... + 108673.

2⁸⁶⁹³⁵⁶ is an apocalyptic number.

It is an amenable number.

869356 is a deficient number, since it is larger than the sum of its proper divisors (652024).

869356 is a wasteful number, since it uses less digits than its factorization.

869356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217343 (or 217341 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 869356 is about 932.3926211634. The cubic root of 869356 is about 95.4404661705.

It can be divided in two parts, 869 and 356, that added together give a triangular number (1225 = T₄₉).

The spelling of 869356 in words is "eight hundred sixty-nine thousand, three hundred fifty-six".