768331 has 4 divisors (see below), whose sum is σ = 777672. Its totient is φ = 758992.

The previous prime is 768329. The next prime is 768343. The reversal of 768331 is 133867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133867 = 263 ⋅509.

It is a cyclic number.

It is not a de Polignac number, because 768331 - 2¹ = 768329 is a prime.

It is a super-2 number, since 2×768331² = 1180665051122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 768331.

It is not an unprimeable number, because it can be changed into a prime (768301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4546 + ... + 4711.

It is an arithmetic number, because the mean of its divisors is an integer number (194418).

2⁷⁶⁸³³¹ is an apocalyptic number.

768331 is a deficient number, since it is larger than the sum of its proper divisors (9341).

768331 is an equidigital number, since it uses as much as digits as its factorization.

768331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340.

The product of its digits is 3024, while the sum is 28.

The square root of 768331 is about 876.5449218380. The cubic root of 768331 is about 91.5902937790.

The spelling of 768331 in words is "seven hundred sixty-eight thousand, three hundred thirty-one".