409341243 has 8 divisors (see below), whose sum is σ = 546216256. Its totient is φ = 272680200.

The previous prime is 409341223. The next prime is 409341269. The reversal of 409341243 is 342143904.

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

It is not a de Polignac number, because 409341243 - 2⁵ = 409341211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 409341243.

It is not an unprimeable number, because it can be changed into a prime (409341203) 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, 48973 + ... + 56718.

It is an arithmetic number, because the mean of its divisors is an integer number (68277032).

Almost surely, 2^409341243 is an apocalyptic number.

409341243 is a deficient number, since it is larger than the sum of its proper divisors (136875013).

409341243 is a wasteful number, since it uses less digits than its factorization.

409341243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106985.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 409341243 is about 20232.1833473306. The cubic root of 409341243 is about 742.4977945496.

The spelling of 409341243 in words is "four hundred nine million, three hundred forty-one thousand, two hundred forty-three".