1479409 has 2 divisors, whose sum is σ = 1479410. Its totient is φ = 1479408.

The previous prime is 1479343. The next prime is 1479437. The reversal of 1479409 is 9049741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 207025 = 1128^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1479409 - 2⁷ = 1479281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1479449) 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, 739704 + 739705.

It is an arithmetic number, because the mean of its divisors is an integer number (739705).

2^1479409 is an apocalyptic number.

It is an amenable number.

1479409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1479409 is an equidigital number, since it uses as much as digits as its factorization.

1479409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1479409 is about 1216.3095823021. The cubic root of 1479409 is about 113.9452132354.

The spelling of 1479409 in words is "one million, four hundred seventy-nine thousand, four hundred nine".