788669 has 8 divisors (see below), whose sum is σ = 916608. Its totient is φ = 664560.

The previous prime is 788659. The next prime is 788677. The reversal of 788669 is 966887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 788669 - 2⁸ = 788413 is a prime.

It is a super-2 number, since 2×788669² = 1243997583122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (114576).

2⁷⁸⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

788669 is a deficient number, since it is larger than the sum of its proper divisors (127939).

788669 is a wasteful number, since it uses less digits than its factorization.

788669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its digits is 145152, while the sum is 44.

The square root of 788669 is about 888.0703800938. The cubic root of 788669 is about 92.3914089699.

The spelling of 788669 in words is "seven hundred eighty-eight thousand, six hundred sixty-nine".