409877345 has 8 divisors (see below), whose sum is σ = 494059776. Its totient is φ = 326430576.

The previous prime is 409877341. The next prime is 409877353. The reversal of 409877345 is 543778904.

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 409877345 - 2² = 409877341 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 409877345.

It is not an unprimeable number, because it can be changed into a prime (409877341) 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, 182687 + ... + 184916.

It is an arithmetic number, because the mean of its divisors is an integer number (61757472).

Almost surely, 2^409877345 is an apocalyptic number.

It is an amenable number.

409877345 is a deficient number, since it is larger than the sum of its proper divisors (84182431).

409877345 is a wasteful number, since it uses less digits than its factorization.

409877345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367831.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 409877345 is about 20245.4277554217. The cubic root of 409877345 is about 742.8217955409.

The spelling of 409877345 in words is "four hundred nine million, eight hundred seventy-seven thousand, three hundred forty-five".