676338641 has 4 divisors (see below), whose sum is σ = 737823984. Its totient is φ = 614853300.

The previous prime is 676338629. The next prime is 676338661. The reversal of 676338641 is 146833676.

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 a de Polignac number, because none of the positive numbers 2^k-676338641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 676338592 and 676338601.

It is not an unprimeable number, because it can be changed into a prime (676338661) 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, 30742655 + ... + 30742676.

It is an arithmetic number, because the mean of its divisors is an integer number (184455996).

Almost surely, 2^676338641 is an apocalyptic number.

It is an amenable number.

676338641 is a deficient number, since it is larger than the sum of its proper divisors (61485343).

676338641 is a wasteful number, since it uses less digits than its factorization.

676338641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61485342.

The product of its digits is 435456, while the sum is 44.

The square root of 676338641 is about 26006.5115115426. The cubic root of 676338641 is about 877.7848215171.

The spelling of 676338641 in words is "six hundred seventy-six million, three hundred thirty-eight thousand, six hundred forty-one".