2950891 has 2 divisors, whose sum is σ = 2950892. Its totient is φ = 2950890.

The previous prime is 2950889. The next prime is 2950897. The reversal of 2950891 is 1980592.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2950891 - 2¹ = 2950889 is a prime.

Together with 2950889, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2950897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1475445 + 1475446.

It is an arithmetic number, because the mean of its divisors is an integer number (1475446).

2^2950891 is an apocalyptic number.

2950891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2950891 is an equidigital number, since it uses as much as digits as its factorization.

2950891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2950891 is about 1717.8157642774. The cubic root of 2950891 is about 143.4336519030.

Subtracting from 2950891 its reverse (1980592), we obtain a cube (970299 = 99³).

The spelling of 2950891 in words is "two million, nine hundred fifty thousand, eight hundred ninety-one".