6411487 has 4 divisors (see below), whose sum is σ = 6421240. Its totient is φ = 6401736.

The previous prime is 6411469. The next prime is 6411521. The reversal of 6411487 is 7841146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6411487 - 2⁷ = 6411359 is a prime.

It is a super-2 number, since 2×6411487² = 82214331102338, 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 (6411437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3813 + ... + 5230.

It is an arithmetic number, because the mean of its divisors is an integer number (1605310).

Almost surely, 2^6411487 is an apocalyptic number.

6411487 is a deficient number, since it is larger than the sum of its proper divisors (9753).

6411487 is an equidigital number, since it uses as much as digits as its factorization.

6411487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752.

The product of its digits is 5376, while the sum is 31.

The square root of 6411487 is about 2532.0914280492. The cubic root of 6411487 is about 185.7745659770.

The spelling of 6411487 in words is "six million, four hundred eleven thousand, four hundred eighty-seven".