1884481 has 2 divisors, whose sum is σ = 1884482. Its totient is φ = 1884480.

The previous prime is 1884479. The next prime is 1884503. The reversal of 1884481 is 1844881.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1690000 + 194481 = 1300^2 + 441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1884481 - 2¹ = 1884479 is a prime.

It is a super-2 number, since 2×1884481² = 7102537278722, which contains 22 as substring.

Together with 1884479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1884451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 942240 + 942241.

It is an arithmetic number, because the mean of its divisors is an integer number (942241).

2^1884481 is an apocalyptic number.

It is an amenable number.

1884481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1884481 is an equidigital number, since it uses as much as digits as its factorization.

1884481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8192, while the sum is 34.

The square root of 1884481 is about 1372.7640001107. The cubic root of 1884481 is about 123.5180957710.

The spelling of 1884481 in words is "one million, eight hundred eighty-four thousand, four hundred eighty-one".