6470891 has 6 divisors (see below), whose sum is σ = 7527420. Its totient is φ = 5546436.

The previous prime is 6470881. The next prime is 6470899. The reversal of 6470891 is 1980746.

It is not a de Polignac number, because 6470891 - 2¹⁰ = 6469867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6470899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65981 + ... + 66078.

It is an arithmetic number, because the mean of its divisors is an integer number (1254570).

Almost surely, 2^6470891 is an apocalyptic number.

6470891 is a deficient number, since it is larger than the sum of its proper divisors (1056529).

6470891 is a wasteful number, since it uses less digits than its factorization.

6470891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132073 (or 132066 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 6470891 is about 2543.7946064885. The cubic root of 6470891 is about 186.3465520438.

The spelling of 6470891 in words is "six million, four hundred seventy thousand, eight hundred ninety-one".