2970891 has 32 divisors (see below), whose sum is σ = 5491200. Its totient is φ = 1542240.

The previous prime is 2970857. The next prime is 2970893. The reversal of 2970891 is 1980792.

It is a happy number.

2970891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2970891 - 2¹⁰ = 2969867 is a prime.

2970891 is a modest number, since divided by 891 gives 297 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2970893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1365 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (171600).

2^2970891 is an apocalyptic number.

2970891 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2970891 is a deficient number, since it is larger than the sum of its proper divisors (2520309).

2970891 is a wasteful number, since it uses less digits than its factorization.

2970891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 2970891 is about 1723.6272798955. The cubic root of 2970891 is about 143.7569685343.

Subtracting from 2970891 its reverse (1980792), we obtain a palindrome (990099).

The spelling of 2970891 in words is "two million, nine hundred seventy thousand, eight hundred ninety-one".