1478089 has 2 divisors, whose sum is σ = 1478090. Its totient is φ = 1478088.

The previous prime is 1478083. The next prime is 1478119. The reversal of 1478089 is 9808741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247689 + 230400 = 1117^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 1478089 - 2⁷ = 1477961 is a prime.

It is an Ulam number.

1478089 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1478083) 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, 739044 + 739045.

It is an arithmetic number, because the mean of its divisors is an integer number (739045).

2^1478089 is an apocalyptic number.

It is an amenable number.

1478089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478089 is an equidigital number, since it uses as much as digits as its factorization.

1478089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1478089 is about 1215.7668361985. The cubic root of 1478089 is about 113.9113140145.

The spelling of 1478089 in words is "one million, four hundred seventy-eight thousand, eighty-nine".