1486409 has 2 divisors, whose sum is σ = 1486410. Its totient is φ = 1486408.

The previous prime is 1486403. The next prime is 1486411. The reversal of 1486409 is 9046841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092025 + 394384 = 1045^2 + 628^2 .

It is an emirp because it is prime and its reverse (9046841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1486409 - 2⁸ = 1486153 is a prime.

Together with 1486411, 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 (1486403) 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, 743204 + 743205.

It is an arithmetic number, because the mean of its divisors is an integer number (743205).

2^1486409 is an apocalyptic number.

It is an amenable number.

1486409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1486409 is an equidigital number, since it uses as much as digits as its factorization.

1486409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1486409 is about 1219.1837433299. The cubic root of 1486409 is about 114.1246456491.

The spelling of 1486409 in words is "one million, four hundred eighty-six thousand, four hundred nine".