2029091 has 2 divisors, whose sum is σ = 2029092. Its totient is φ = 2029090.

The previous prime is 2029087. The next prime is 2029121. The reversal of 2029091 is 1909202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2029091 - 2² = 2029087 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2029021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014545 + 1014546.

It is an arithmetic number, because the mean of its divisors is an integer number (1014546).

2^2029091 is an apocalyptic number.

2029091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2029091 is an equidigital number, since it uses as much as digits as its factorization.

2029091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 2029091 is about 1424.4616526955. The cubic root of 2029091 is about 126.6000395984.

The spelling of 2029091 in words is "two million, twenty-nine thousand, ninety-one".