6859001 has 4 divisors (see below), whose sum is σ = 6895104. Its totient is φ = 6822900.

The previous prime is 6858997. The next prime is 6859003. The reversal of 6859001 is 1009586.

It is a Cunningham number, because it is equal to 190³+1.

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 not a de Polignac number, because 6859001 - 2² = 6858997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6859003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17765 + ... + 18146.

It is an arithmetic number, because the mean of its divisors is an integer number (1723776).

Almost surely, 2^6859001 is an apocalyptic number.

It is an amenable number.

6859001 is a deficient number, since it is larger than the sum of its proper divisors (36103).

6859001 is a wasteful number, since it uses less digits than its factorization.

6859001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36102.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 6859001 is about 2618.9694538119. The cubic root of 6859001 is about 190.0000092336. Note that the first 5 decimals are identical.

The spelling of 6859001 in words is "six million, eight hundred fifty-nine thousand, one".