1473409 has 4 divisors (see below), whose sum is σ = 1683904. Its totient is φ = 1262916.

The previous prime is 1473391. The next prime is 1473419. The reversal of 1473409 is 9043741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9043741 = 7 ⋅1291963.

It is a cyclic number.

It is not a de Polignac number, because 1473409 - 2¹¹ = 1471361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1473419) 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 in 3 ways as a sum of consecutive naturals, for example, 105237 + ... + 105250.

It is an arithmetic number, because the mean of its divisors is an integer number (420976).

2^1473409 is an apocalyptic number.

It is an amenable number.

1473409 is a deficient number, since it is larger than the sum of its proper divisors (210495).

1473409 is an equidigital number, since it uses as much as digits as its factorization.

1473409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210494.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1473409 is about 1213.8405990903. The cubic root of 1473409 is about 113.7909629871.

The spelling of 1473409 in words is "one million, four hundred seventy-three thousand, four hundred nine".