6864455 has 8 divisors (see below), whose sum is σ = 8871072. Its totient is φ = 5069088.

The previous prime is 6864449. The next prime is 6864461. The reversal of 6864455 is 5544686.

It is an interprime number because it is at equal distance from previous prime (6864449) and next prime (6864461).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6864455 - 2⁸ = 6864199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52739 + ... + 52868.

It is an arithmetic number, because the mean of its divisors is an integer number (1108884).

Almost surely, 2^6864455 is an apocalyptic number.

6864455 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6864455 is a deficient number, since it is larger than the sum of its proper divisors (2006617).

6864455 is a wasteful number, since it uses less digits than its factorization.

6864455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105625.

The product of its digits is 115200, while the sum is 38.

The square root of 6864455 is about 2620.0104961622. The cubic root of 6864455 is about 190.0503559973.

The spelling of 6864455 in words is "six million, eight hundred sixty-four thousand, four hundred fifty-five".