677238 has 16 divisors (see below), whose sum is σ = 1388016. Its totient is φ = 220160.

The previous prime is 677233. The next prime is 677239. The reversal of 677238 is 832776.

It is a junction number, because it is equal to n+sod(n) for n = 677199 and 677208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131 + ... + 1622.

It is an arithmetic number, because the mean of its divisors is an integer number (86751).

2⁶⁷⁷²³⁸ is an apocalyptic number.

677238 is an abundant number, since it is smaller than the sum of its proper divisors (710778).

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

677238 is a wasteful number, since it uses less digits than its factorization.

677238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799.

The product of its digits is 14112, while the sum is 33.

The square root of 677238 is about 822.9447126023. The cubic root of 677238 is about 87.8173726310.

The spelling of 677238 in words is "six hundred seventy-seven thousand, two hundred thirty-eight".