1894049 has 2 divisors, whose sum is σ = 1894050. Its totient is φ = 1894048.

The previous prime is 1894043. The next prime is 1894051. The reversal of 1894049 is 9404981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1607824 + 286225 = 1268^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1894049 - 2⁴ = 1894033 is a prime.

It is a super-2 number, since 2×1894049² = 7174843228802, which contains 22 as substring.

Together with 1894051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1894043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947024 + 947025.

It is an arithmetic number, because the mean of its divisors is an integer number (947025).

2^1894049 is an apocalyptic number.

It is an amenable number.

1894049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1894049 is an equidigital number, since it uses as much as digits as its factorization.

1894049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1894049 is about 1376.2445276912. The cubic root of 1894049 is about 123.7267874701.

The spelling of 1894049 in words is "one million, eight hundred ninety-four thousand, forty-nine".