2089939 has 2 divisors, whose sum is σ = 2089940. Its totient is φ = 2089938.

The previous prime is 2089933. The next prime is 2089951. The reversal of 2089939 is 9399802.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2089939 - 2¹⁷ = 1958867 is a prime.

It is not a weakly prime, because it can be changed into another prime (2089933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044969 + 1044970.

It is an arithmetic number, because the mean of its divisors is an integer number (1044970).

2^2089939 is an apocalyptic number.

2089939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089939 is an equidigital number, since it uses as much as digits as its factorization.

2089939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 2089939 is about 1445.6621320350. The cubic root of 2089939 is about 127.8530825731.

The spelling of 2089939 in words is "two million, eighty-nine thousand, nine hundred thirty-nine".