677946 has 16 divisors (see below), whose sum is σ = 1370304. Its totient is φ = 223584.

The previous prime is 677927. The next prime is 677947. The reversal of 677946 is 649776.

It is a super-2 number, since 2×677946² = 919221557832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (677947) 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, 70 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (85644).

2⁶⁷⁷⁹⁴⁶ is an apocalyptic number.

677946 is an abundant number, since it is smaller than the sum of its proper divisors (692358).

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

677946 is a wasteful number, since it uses less digits than its factorization.

677946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205.

The product of its digits is 63504, while the sum is 39.

The square root of 677946 is about 823.3747627903. The cubic root of 677946 is about 87.8479640657.

The spelling of 677946 in words is "six hundred seventy-seven thousand, nine hundred forty-six".