1674889 has 2 divisors, whose sum is σ = 1674890. Its totient is φ = 1674888.

The previous prime is 1674887. The next prime is 1674901. The reversal of 1674889 is 9884761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1669264 + 5625 = 1292^2 + 75^2 .

It is an emirp because it is prime and its reverse (9884761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1674889 - 2¹ = 1674887 is a prime.

Together with 1674887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1674887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837444 + 837445.

It is an arithmetic number, because the mean of its divisors is an integer number (837445).

2^1674889 is an apocalyptic number.

It is an amenable number.

1674889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1674889 is an equidigital number, since it uses as much as digits as its factorization.

1674889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 1674889 is about 1294.1750268028. The cubic root of 1674889 is about 118.7577634814.

The spelling of 1674889 in words is "one million, six hundred seventy-four thousand, eight hundred eighty-nine".