2116469 has 2 divisors, whose sum is σ = 2116470. Its totient is φ = 2116468.

The previous prime is 2116459. The next prime is 2116481. The reversal of 2116469 is 9646112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2002225 + 114244 = 1415^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116469 - 2²⁰ = 1067893 is a prime.

It is a super-2 number, since 2×2116469² = 8958882055922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058234 + 1058235.

It is an arithmetic number, because the mean of its divisors is an integer number (1058235).

2^2116469 is an apocalyptic number.

It is an amenable number.

2116469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116469 is an equidigital number, since it uses as much as digits as its factorization.

2116469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 2116469 is about 1454.8089221613. The cubic root of 2116469 is about 128.3918048425.

The spelling of 2116469 in words is "two million, one hundred sixteen thousand, four hundred sixty-nine".