1676985 has 8 divisors (see below), whose sum is σ = 2683200. Its totient is φ = 894384.

The previous prime is 1676981. The next prime is 1676993. The reversal of 1676985 is 5896761.

1676985 = 405² + 406² + ... + 414².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1676985 - 2² = 1676981 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1676981) 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, 55885 + ... + 55914.

It is an arithmetic number, because the mean of its divisors is an integer number (335400).

2^1676985 is an apocalyptic number.

1676985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1676985 is a deficient number, since it is larger than the sum of its proper divisors (1006215).

1676985 is a wasteful number, since it uses less digits than its factorization.

1676985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111807.

The product of its digits is 90720, while the sum is 42.

The square root of 1676985 is about 1294.9845558925. The cubic root of 1676985 is about 118.8072816904.

The spelling of 1676985 in words is "one million, six hundred seventy-six thousand, nine hundred eighty-five".