869894 has 4 divisors (see below), whose sum is σ = 1304844. Its totient is φ = 434946.

The previous prime is 869893. The next prime is 869899. The reversal of 869894 is 498968.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 869894.

It is not an unprimeable number, because it can be changed into a prime (869893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217472 + ... + 217475.

It is an arithmetic number, because the mean of its divisors is an integer number (326211).

2⁸⁶⁹⁸⁹⁴ is an apocalyptic number.

869894 is a deficient number, since it is larger than the sum of its proper divisors (434950).

869894 is a wasteful number, since it uses less digits than its factorization.

869894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434949.

The product of its digits is 124416, while the sum is 44.

The square root of 869894 is about 932.6810816136. The cubic root of 869894 is about 95.4601498530.

The spelling of 869894 in words is "eight hundred sixty-nine thousand, eight hundred ninety-four".