677028 has 48 divisors (see below), whose sum is σ = 1806336. Its totient is φ = 195360.

The previous prime is 677021. The next prime is 677029. The reversal of 677028 is 820776.

It is a junction number, because it is equal to n+sod(n) for n = 676986 and 677004.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 677028.

It is not an unprimeable number, because it can be changed into a prime (677021) by changing a digit.

677028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925 + ... + 3147.

It is an arithmetic number, because the mean of its divisors is an integer number (37632).

2⁶⁷⁷⁰²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903168).

677028 is an abundant number, since it is smaller than the sum of its proper divisors (1129308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677028 is a wasteful number, since it uses less digits than its factorization.

677028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 677028 is about 822.8171121215. The cubic root of 677028 is about 87.8082948008.

The spelling of 677028 in words is "six hundred seventy-seven thousand, twenty-eight".