6409611 has 24 divisors (see below), whose sum is σ = 10344880. Its totient is φ = 3942432.

The previous prime is 6409607. The next prime is 6409633. The reversal of 6409611 is 1169046.

6409611 is a `hidden beast` number, since 6 + 40 + 9 + 611 = 666.

6409611 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6409611 - 2² = 6409607 is a prime.

It is a super-2 number, since 2×6409611² = 82166226342642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6409651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2145 + ... + 4173.

Almost surely, 2^6409611 is an apocalyptic number.

6409611 is a deficient number, since it is larger than the sum of its proper divisors (3935269).

6409611 is a wasteful number, since it uses less digits than its factorization.

6409611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 6409611 is about 2531.7209561877. The cubic root of 6409611 is about 185.7564450074.

The spelling of 6409611 in words is "six million, four hundred nine thousand, six hundred eleven".