769813 has 8 divisors (see below), whose sum is σ = 858240. Its totient is φ = 684480.

The previous prime is 769807. The next prime is 769837. The reversal of 769813 is 318967.

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 769813 - 2⁵ = 769781 is a prime.

It is a super-2 number, since 2×769813² = 1185224109938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (760813) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 228 + ... + 1261.

It is an arithmetic number, because the mean of its divisors is an integer number (107280).

2⁷⁶⁹⁸¹³ is an apocalyptic number.

It is an amenable number.

769813 is a deficient number, since it is larger than the sum of its proper divisors (88427).

769813 is a wasteful number, since it uses less digits than its factorization.

769813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547.

The product of its digits is 9072, while the sum is 34.

The square root of 769813 is about 877.3898791301. The cubic root of 769813 is about 91.6491441254.

It can be divided in two parts, 76 and 9813, that added together give a palindrome (9889).

The spelling of 769813 in words is "seven hundred sixty-nine thousand, eight hundred thirteen".