869830 has 16 divisors (see below), whose sum is σ = 1686384. Its totient is φ = 321120.

The previous prime is 869819. The next prime is 869849. The reversal of 869830 is 38968.

869830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3216 + ... + 3475.

It is an arithmetic number, because the mean of its divisors is an integer number (105399).

2⁸⁶⁹⁸³⁰ is an apocalyptic number.

869830 is a deficient number, since it is larger than the sum of its proper divisors (816554).

869830 is a wasteful number, since it uses less digits than its factorization.

869830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 869830 is about 932.6467712913. The cubic root of 869830 is about 95.4578087251.

The spelling of 869830 in words is "eight hundred sixty-nine thousand, eight hundred thirty".