769869 has 12 divisors (see below), whose sum is σ = 1123356. Its totient is φ = 508032.

The previous prime is 769837. The next prime is 769871. The reversal of 769869 is 968967.

It can be written as a sum of positive squares in 2 ways, for example, as 189225 + 580644 = 435^2 + 762^2 .

It is not a de Polignac number, because 769869 - 2⁵ = 769837 is a prime.

It is a super-2 number, since 2×769869² = 1185396554322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (93613).

2⁷⁶⁹⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

769869 is a deficient number, since it is larger than the sum of its proper divisors (353487).

769869 is a wasteful number, since it uses less digits than its factorization.

769869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 873 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 769869 is about 877.4217913866. The cubic root of 769869 is about 91.6513664087.

The spelling of 769869 in words is "seven hundred sixty-nine thousand, eight hundred sixty-nine".