1676641 has 2 divisors, whose sum is σ = 1676642.
Its totient is φ = 1676640.
The previous prime is 1676629. The next prime is 1676651. The reversal of 1676641 is 1466761.
It can be divided in two parts, 16766 and 41, that added together give a 5-th power (16807 = 75).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1030225 + 646416 = 1015^2 + 804^2
It is a cyclic number.
It is not a de Polignac number, because 1676641 - 211 = 1674593 is a prime.
It is a super-2 number, since 2×16766412 = 5622250085762, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1676611) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838320 + 838321.
It is an arithmetic number, because the mean of its divisors is an integer number (838321).
21676641 is an apocalyptic number.
It is an amenable number.
1676641 is a deficient number, since it is larger than the sum of its proper divisors (1).
1676641 is an equidigital number, since it uses as much as digits as its factorization.
1676641 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6048, while the sum is 31.
The square root of 1676641 is about 1294.8517289636.
The cubic root of 1676641 is about 118.7991574874.
The spelling of 1676641 in words is "one million, six hundred seventy-six thousand, six hundred forty-one".