869730 has 32 divisors (see below), whose sum is σ = 2130624. Its totient is φ = 227136.

The previous prime is 869717. The next prime is 869747. The reversal of 869730 is 37968.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 869691 and 869700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317 + ... + 1863.

It is an arithmetic number, because the mean of its divisors is an integer number (66582).

2⁸⁶⁹⁷³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065312).

869730 is an abundant number, since it is smaller than the sum of its proper divisors (1260894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869730 is a wasteful number, since it uses less digits than its factorization.

869730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 869730 is about 932.5931588855. The cubic root of 869730 is about 95.4541504828.

The spelling of 869730 in words is "eight hundred sixty-nine thousand, seven hundred thirty".