409887541 has 8 divisors (see below), whose sum is σ = 468698624. Its totient is φ = 351140400.

The previous prime is 409887523. The next prime is 409887557. The reversal of 409887541 is 145788904.

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 409887541 - 2¹⁵ = 409854773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 409887491 and 409887500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409887571) 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, 1350 + ... + 28663.

It is an arithmetic number, because the mean of its divisors is an integer number (58587328).

Almost surely, 2^409887541 is an apocalyptic number.

It is an amenable number.

409887541 is a deficient number, since it is larger than the sum of its proper divisors (58811083).

409887541 is a wasteful number, since it uses less digits than its factorization.

409887541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31971.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 409887541 is about 20245.6795637983. The cubic root of 409887541 is about 742.8279549024.

The spelling of 409887541 in words is "four hundred nine million, eight hundred eighty-seven thousand, five hundred forty-one".