682831091 has 4 divisors (see below), whose sum is σ = 687414000. Its totient is φ = 678248184.

The previous prime is 682831067. The next prime is 682831157. The reversal of 682831091 is 190138286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 682831091 - 2¹⁸ = 682568947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682831031) 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, 2291231 + ... + 2291528.

It is an arithmetic number, because the mean of its divisors is an integer number (171853500).

Almost surely, 2^682831091 is an apocalyptic number.

682831091 is a deficient number, since it is larger than the sum of its proper divisors (4582909).

682831091 is a wasteful number, since it uses less digits than its factorization.

682831091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582908.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 682831091 is about 26131.0369292916. The cubic root of 682831091 is about 880.5846197058.

The spelling of 682831091 in words is "six hundred eighty-two million, eight hundred thirty-one thousand, ninety-one".