348417409 has 4 divisors (see below), whose sum is σ = 363566016. Its totient is φ = 333268804.

The previous prime is 348417371. The next prime is 348417427. The reversal of 348417409 is 904714843.

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: 904714843 = 4801 ⋅188443.

It is not a de Polignac number, because 348417409 - 2⁹ = 348416897 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348417449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7574269 + ... + 7574314.

It is an arithmetic number, because the mean of its divisors is an integer number (90891504).

Almost surely, 2^348417409 is an apocalyptic number.

It is an amenable number.

348417409 is a deficient number, since it is larger than the sum of its proper divisors (15148607).

348417409 is a wasteful number, since it uses less digits than its factorization.

348417409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15148606.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 348417409 is about 18665.9424889289. The cubic root of 348417409 is about 703.6660785378. Note that the first 3 decimals are identical.

The spelling of 348417409 in words is "three hundred forty-eight million, four hundred seventeen thousand, four hundred nine".