676606393 has 4 divisors (see below), whose sum is σ = 679302288. Its totient is φ = 673910500.

The previous prime is 676606379. The next prime is 676606451. The reversal of 676606393 is 393606676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 676606393 - 2¹⁷ = 676475321 is a prime.

It is a super-2 number, since 2×676606393² = 915592422096940898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676606363) 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 3 ways as a sum of consecutive naturals, for example, 1347571 + ... + 1348072.

It is an arithmetic number, because the mean of its divisors is an integer number (169825572).

Almost surely, 2^676606393 is an apocalyptic number.

It is an amenable number.

676606393 is a deficient number, since it is larger than the sum of its proper divisors (2695895).

676606393 is a wasteful number, since it uses less digits than its factorization.

676606393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695894.

The product of its (nonzero) digits is 734832, while the sum is 46.

The square root of 676606393 is about 26011.6587898581. The cubic root of 676606393 is about 877.9006400432.

The spelling of 676606393 in words is "six hundred seventy-six million, six hundred six thousand, three hundred ninety-three".