411506861 has 8 divisors (see below), whose sum is σ = 423872064. Its totient is φ = 399268800.

The previous prime is 411506801. The next prime is 411506911. The reversal of 411506861 is 168605114.

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 411506861 - 2¹⁰ = 411505837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411506801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25196 + ... + 38181.

It is an arithmetic number, because the mean of its divisors is an integer number (52984008).

Almost surely, 2^411506861 is an apocalyptic number.

It is an amenable number.

411506861 is a deficient number, since it is larger than the sum of its proper divisors (12365203).

411506861 is a wasteful number, since it uses less digits than its factorization.

411506861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63571.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 411506861 is about 20285.6318856475. The cubic root of 411506861 is about 743.8048859432.

The spelling of 411506861 in words is "four hundred eleven million, five hundred six thousand, eight hundred sixty-one".