676988 has 24 divisors (see below), whose sum is σ = 1307712. Its totient is φ = 304704.

The previous prime is 676987. The next prime is 676993. The reversal of 676988 is 889676.

676988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×676988⁵ (a number of 30 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306 + ... + 2582.

It is an arithmetic number, because the mean of its divisors is an integer number (54488).

2⁶⁷⁶⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

676988 is a deficient number, since it is larger than the sum of its proper divisors (630724).

676988 is a wasteful number, since it uses less digits than its factorization.

676988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 339 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 676988 is about 822.7928050244. The cubic root of 676988 is about 87.8065654775.

The spelling of 676988 in words is "six hundred seventy-six thousand, nine hundred eighty-eight".