1677085 has 4 divisors (see below), whose sum is σ = 2012508. Its totient is φ = 1341664.

The previous prime is 1677083. The next prime is 1677089. The reversal of 1677085 is 5807761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 480249 + 1196836 = 693^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 1677085 - 2¹ = 1677083 is a prime.

It is a super-2 number, since 2×1677085² = 5625228194450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1677085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1677083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167704 + ... + 167713.

It is an arithmetic number, because the mean of its divisors is an integer number (503127).

2^1677085 is an apocalyptic number.

It is an amenable number.

1677085 is a deficient number, since it is larger than the sum of its proper divisors (335423).

1677085 is an equidigital number, since it uses as much as digits as its factorization.

1677085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335422.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 1677085 is about 1295.0231658160. The cubic root of 1677085 is about 118.8096431689.

The spelling of 1677085 in words is "one million, six hundred seventy-seven thousand, eighty-five".