1478369 has 2 divisors, whose sum is σ = 1478370. Its totient is φ = 1478368.

The previous prime is 1478357. The next prime is 1478381. The reversal of 1478369 is 9638741.

It is a balanced prime because it is at equal distance from previous prime (1478357) and next prime (1478381).

It can be written as a sum of positive squares in only one way, i.e., 819025 + 659344 = 905^2 + 812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1478369 - 2⁴ = 1478353 is a prime.

It is a super-2 number, since 2×1478369² = 4371149800322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1478069) 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, 739184 + 739185.

It is an arithmetic number, because the mean of its divisors is an integer number (739185).

2^1478369 is an apocalyptic number.

It is an amenable number.

1478369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478369 is an equidigital number, since it uses as much as digits as its factorization.

1478369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 1478369 is about 1215.8819844047. The cubic root of 1478369 is about 113.9185064443.

The spelling of 1478369 in words is "one million, four hundred seventy-eight thousand, three hundred sixty-nine".