1478609 has 8 divisors (see below), whose sum is σ = 1708128. Its totient is φ = 1264960.

The previous prime is 1478593. The next prime is 1478611. The reversal of 1478609 is 9068741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1478609 - 2⁴ = 1478593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3767 + ... + 4140.

It is an arithmetic number, because the mean of its divisors is an integer number (213516).

2^1478609 is an apocalyptic number.

It is an amenable number.

1478609 is a deficient number, since it is larger than the sum of its proper divisors (229519).

1478609 is a wasteful number, since it uses less digits than its factorization.

1478609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7935.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1478609 is about 1215.9806741885. The cubic root of 1478609 is about 113.9246706614.

The spelling of 1478609 in words is "one million, four hundred seventy-eight thousand, six hundred nine".