2933891 has 2 divisors, whose sum is σ = 2933892. Its totient is φ = 2933890.

The previous prime is 2933869. The next prime is 2933897. The reversal of 2933891 is 1983392.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2933891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2933897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1466945 + 1466946.

It is an arithmetic number, because the mean of its divisors is an integer number (1466946).

2^2933891 is an apocalyptic number.

2933891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2933891 is an equidigital number, since it uses as much as digits as its factorization.

2933891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 35.

The square root of 2933891 is about 1712.8604730100. The cubic root of 2933891 is about 143.1576821941.

The spelling of 2933891 in words is "two million, nine hundred thirty-three thousand, eight hundred ninety-one".