409417147 has 4 divisors (see below), whose sum is σ = 418938520. Its totient is φ = 399895776.

The previous prime is 409417121. The next prime is 409417207. The reversal of 409417147 is 741714904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 409417147 - 2¹¹ = 409415099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409417747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760622 + ... + 4760707.

It is an arithmetic number, because the mean of its divisors is an integer number (104734630).

Almost surely, 2^409417147 is an apocalyptic number.

409417147 is a deficient number, since it is larger than the sum of its proper divisors (9521373).

409417147 is an equidigital number, since it uses as much as digits as its factorization.

409417147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521372.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 409417147 is about 20234.0590836342. The cubic root of 409417147 is about 742.5436854132.

The spelling of 409417147 in words is "four hundred nine million, four hundred seventeen thousand, one hundred forty-seven".