6411657 has 16 divisors (see below), whose sum is σ = 9823232. Its totient is φ = 3643920.

The previous prime is 6411593. The next prime is 6411661. The reversal of 6411657 is 7561146.

It is not a de Polignac number, because 6411657 - 2⁶ = 6411593 is a prime.

It is a super-2 number, since 2×6411657² = 82218690971298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6411157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3708 + ... + 5154.

It is an arithmetic number, because the mean of its divisors is an integer number (613952).

Almost surely, 2^6411657 is an apocalyptic number.

It is an amenable number.

6411657 is a deficient number, since it is larger than the sum of its proper divisors (3411575).

6411657 is a wasteful number, since it uses less digits than its factorization.

6411657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668.

The product of its digits is 5040, while the sum is 30.

The square root of 6411657 is about 2532.1249969146. The cubic root of 6411657 is about 185.7762078944.

The spelling of 6411657 in words is "six million, four hundred eleven thousand, six hundred fifty-seven".