6870851 has 4 divisors (see below), whose sum is σ = 7399392. Its totient is φ = 6342312.

The previous prime is 6870847. The next prime is 6870869. The reversal of 6870851 is 1580786.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6870851 - 2² = 6870847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6870811) 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, 264251 + ... + 264276.

It is an arithmetic number, because the mean of its divisors is an integer number (1849848).

Almost surely, 2^6870851 is an apocalyptic number.

6870851 is a deficient number, since it is larger than the sum of its proper divisors (528541).

6870851 is a wasteful number, since it uses less digits than its factorization.

6870851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528540.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 6870851 is about 2621.2308177648. The cubic root of 6870851 is about 190.1093645535.

The spelling of 6870851 in words is "six million, eight hundred seventy thousand, eight hundred fifty-one".