2104969 has 2 divisors, whose sum is σ = 2104970. Its totient is φ = 2104968.

The previous prime is 2104961. The next prime is 2104987. The reversal of 2104969 is 9694012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2064969 + 40000 = 1437^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104969 - 2³ = 2104961 is a prime.

It is a super-2 number, since 2×2104969² = 8861788981922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2104969.

It is not a weakly prime, because it can be changed into another prime (2104961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052484 + 1052485.

It is an arithmetic number, because the mean of its divisors is an integer number (1052485).

2^2104969 is an apocalyptic number.

It is an amenable number.

2104969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104969 is an equidigital number, since it uses as much as digits as its factorization.

2104969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2104969 is about 1450.8511295098. The cubic root of 2104969 is about 128.1588400799.

The spelling of 2104969 in words is "two million, one hundred four thousand, nine hundred sixty-nine".