769984 has 28 divisors (see below), whose sum is σ = 1563624. Its totient is φ = 376064.

The previous prime is 769973. The next prime is 769987. The reversal of 769984 is 489967.

It is a self number, because there is not a number n which added to its sum of digits gives 769984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769987) by changing a digit.

769984 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3279 + ... + 3505.

2⁷⁶⁹⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781812).

769984 is an abundant number, since it is smaller than the sum of its proper divisors (793640).

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

769984 is a wasteful number, since it uses less digits than its factorization.

769984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 282 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 769984 is about 877.4873218457. The cubic root of 769984 is about 91.6559296882.

The spelling of 769984 in words is "seven hundred sixty-nine thousand, nine hundred eighty-four".