1676993 has 2 divisors, whose sum is σ = 1676994.
Its totient is φ = 1676992.
The previous prime is 1676981. The next prime is 1677001. The reversal of 1676993 is 3996761.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1607824 + 69169 = 1268^2 + 263^2
It is a cyclic number.
It is not a de Polignac number, because 1676993 - 212 = 1672897 is a prime.
It is a d-powerful number, because it can be written as 1 + 62 + 75 + 63 + 94 + 95 + 313 .
It is a self number, because there is not a number n which added to its sum of digits gives 1676993.
It is not a weakly prime, because it can be changed into another prime (1676923) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838496 + 838497.
It is an arithmetic number, because the mean of its divisors is an integer number (838497).
21676993 is an apocalyptic number.
It is an amenable number.
1676993 is a deficient number, since it is larger than the sum of its proper divisors (1).
1676993 is an equidigital number, since it uses as much as digits as its factorization.
1676993 is an evil number, because the sum of its binary digits is even.
The product of its digits is 61236, while the sum is 41.
The square root of 1676993 is about 1294.9876447287.
The cubic root of 1676993 is about 118.8074706121.
The spelling of 1676993 in words is "one million, six hundred seventy-six thousand, nine hundred ninety-three".