676997 has 4 divisors (see below), whose sum is σ = 679296. Its totient is φ = 674700.

The previous prime is 676993. The next prime is 677011. The reversal of 676997 is 799676.

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 676997 - 2² = 676993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676993) 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, 629 + ... + 1322.

It is an arithmetic number, because the mean of its divisors is an integer number (169824).

2⁶⁷⁶⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

676997 is a deficient number, since it is larger than the sum of its proper divisors (2299).

676997 is a wasteful number, since it uses less digits than its factorization.

676997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298.

The product of its digits is 142884, while the sum is 44.

The square root of 676997 is about 822.7982741839. The cubic root of 676997 is about 87.8069545811.

The spelling of 676997 in words is "six hundred seventy-six thousand, nine hundred ninety-seven".