6411393 has 10 divisors (see below), whose sum is σ = 9577634. Its totient is φ = 4274208.

The previous prime is 6411373. The next prime is 6411421. The reversal of 6411393 is 3931146.

6411393 is a `hidden beast` number, since 641 + 13 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6036849 + 374544 = 2457^2 + 612^2 .

It is not a de Polignac number, because 6411393 - 2⁸ = 6411137 is a prime.

It is a super-2 number, since 2×6411393² = 82211920400898, which contains 22 as substring.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6411373) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39496 + ... + 39657.

Almost surely, 2^6411393 is an apocalyptic number.

It is an amenable number.

6411393 is a deficient number, since it is larger than the sum of its proper divisors (3166241).

6411393 is an equidigital number, since it uses as much as digits as its factorization.

6411393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79165 (or 79156 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 6411393 is about 2532.0728662501. The cubic root of 6411393 is about 185.7736580808.

The spelling of 6411393 in words is "six million, four hundred eleven thousand, three hundred ninety-three".