769830 has 32 divisors (see below), whose sum is σ = 1880064. Its totient is φ = 201696.

The previous prime is 769807. The next prime is 769837. The reversal of 769830 is 38967.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 769791 and 769800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769837) by changing a digit.

769830 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (58752).

2⁷⁶⁹⁸³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940032).

769830 is an abundant number, since it is smaller than the sum of its proper divisors (1110234).

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

769830 is a wasteful number, since it uses less digits than its factorization.

769830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

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

The square root of 769830 is about 877.3995669021. The cubic root of 769830 is about 91.6498187585.

The spelling of 769830 in words is "seven hundred sixty-nine thousand, eight hundred thirty".