1634441 has 2 divisors, whose sum is σ = 1634442. Its totient is φ = 1634440.

The previous prime is 1634417. The next prime is 1634443. The reversal of 1634441 is 1444361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 960400 + 674041 = 980^2 + 821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1634441 is a prime.

Together with 1634443, 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 (1634443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817220 + 817221.

It is an arithmetic number, because the mean of its divisors is an integer number (817221).

2^1634441 is an apocalyptic number.

It is an amenable number.

1634441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1634441 is an equidigital number, since it uses as much as digits as its factorization.

1634441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 1634441 is about 1278.4525802704. The cubic root of 1634441 is about 117.7939764187.

The spelling of 1634441 in words is "one million, six hundred thirty-four thousand, four hundred forty-one".