5670891 has 16 divisors (see below), whose sum is σ = 8508320. Its totient is φ = 3779136.

The previous prime is 5670887. The next prime is 5670937. The reversal of 5670891 is 1980765.

5670891 is a `hidden beast` number, since 567 + 0 + 8 + 91 = 666.

It is not a de Polignac number, because 5670891 - 2² = 5670887 is a prime.

It is a Duffinian number.

5670891 is a modest number, since divided by 891 gives 567 as remainder.

5670891 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5670851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (531770).

Almost surely, 2^5670891 is an apocalyptic number.

5670891 is a deficient number, since it is larger than the sum of its proper divisors (2837429).

5670891 is an frugal number, since it uses more digits than its factorization.

5670891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 5670891 is about 2381.3632650228. The cubic root of 5670891 is about 178.3269985425.

It can be divided in two parts, 5670 and 891, that added together give a 8-th power (6561 = 3⁸).

The spelling of 5670891 in words is "five million, six hundred seventy thousand, eight hundred ninety-one".