411990487 has 4 divisors (see below), whose sum is σ = 414518200. Its totient is φ = 409462776.

The previous prime is 411990473. The next prime is 411990497. The reversal of 411990487 is 784099114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784099114 = 2 ⋅392049557.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-411990487 is a prime.

It is a super-2 number, since 2×411990487² = 339472322756994338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411990497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263612 + ... + 1263937.

It is an arithmetic number, because the mean of its divisors is an integer number (103629550).

Almost surely, 2^411990487 is an apocalyptic number.

411990487 is a deficient number, since it is larger than the sum of its proper divisors (2527713).

411990487 is a wasteful number, since it uses less digits than its factorization.

411990487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527712.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 411990487 is about 20297.5487928962. The cubic root of 411990487 is about 744.0961589736.

The spelling of 411990487 in words is "four hundred eleven million, nine hundred ninety thousand, four hundred eighty-seven".