6864901 has 4 divisors (see below), whose sum is σ = 6880192. Its totient is φ = 6849612.

The previous prime is 6864881. The next prime is 6864911. The reversal of 6864901 is 1094686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6864901 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6951 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (1720048).

Almost surely, 2^6864901 is an apocalyptic number.

6864901 is the 1401-st centered heptagonal number.

It is an amenable number.

6864901 is a deficient number, since it is larger than the sum of its proper divisors (15291).

6864901 is a wasteful number, since it uses less digits than its factorization.

6864901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15290.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 6864901 is about 2620.0956089425. The cubic root of 6864901 is about 190.0544719163.

The spelling of 6864901 in words is "six million, eight hundred sixty-four thousand, nine hundred one".