769648 has 20 divisors (see below), whose sum is σ = 1627128. Its totient is φ = 349760.

The previous prime is 769627. The next prime is 769661. The reversal of 769648 is 846967.

It is a self number, because there is not a number n which added to its sum of digits gives 769648.

It is a congruent number.

It is an unprimeable number.

769648 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, 2011 + ... + 2362.

2⁷⁶⁹⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

769648 is an abundant number, since it is smaller than the sum of its proper divisors (857480).

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

769648 is a wasteful number, since it uses less digits than its factorization.

769648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392 (or 4386 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 769648 is about 877.2958451970. The cubic root of 769648 is about 91.6425956999.

It can be divided in two parts, 7696 and 48, that added together give a square (7744 = 88²).

The spelling of 769648 in words is "seven hundred sixty-nine thousand, six hundred forty-eight".