677996 has 24 divisors (see below), whose sum is σ = 1364160. Its totient is φ = 291600.

The previous prime is 677983. The next prime is 678023. The reversal of 677996 is 699776.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a zygodrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (56840).

2⁶⁷⁷⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

677996 is an abundant number, since it is smaller than the sum of its proper divisors (686164).

It is a weird number, because it is abundant, but not a pseudoperfect number.

677996 is a wasteful number, since it uses less digits than its factorization.

677996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 843 counting only the distinct ones).

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

The square root of 677996 is about 823.4051250751. The cubic root of 677996 is about 87.8501236724.

The spelling of 677996 in words is "six hundred seventy-seven thousand, nine hundred ninety-six".