409104091 has 8 divisors (see below), whose sum is σ = 446453568. Its totient is φ = 371781000.

The previous prime is 409104089. The next prime is 409104097. The reversal of 409104091 is 190401904.

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 409104091 - 2¹ = 409104089 is a prime.

It is a super-4 number, since 4×409104091⁴ (a number of 36 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (409104097) 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, 40456 + ... + 49546.

It is an arithmetic number, because the mean of its divisors is an integer number (55806696).

Almost surely, 2^409104091 is an apocalyptic number.

409104091 is a deficient number, since it is larger than the sum of its proper divisors (37349477).

409104091 is a wasteful number, since it uses less digits than its factorization.

409104091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13193.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 409104091 is about 20226.3217367864. The cubic root of 409104091 is about 742.3543780596.

Adding to 409104091 its reverse (190401904), we get a palindrome (599505995).

The spelling of 409104091 in words is "four hundred nine million, one hundred four thousand, ninety-one".