214804069 has 2 divisors, whose sum is σ = 214804070. Its totient is φ = 214804068.

The previous prime is 214804021. The next prime is 214804087. The reversal of 214804069 is 960408412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162052900 + 52751169 = 12730^2 + 7263^2 .

It is a cyclic number.

It is not a de Polignac number, because 214804069 - 2¹³ = 214795877 is a prime.

It is a super-4 number, since 4×214804069⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214804099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107402034 + 107402035.

It is an arithmetic number, because the mean of its divisors is an integer number (107402035).

Almost surely, 2^214804069 is an apocalyptic number.

It is an amenable number.

214804069 is a deficient number, since it is larger than the sum of its proper divisors (1).

214804069 is an equidigital number, since it uses as much as digits as its factorization.

214804069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 214804069 is about 14656.1955841207. The cubic root of 214804069 is about 598.8906064891.

The spelling of 214804069 in words is "two hundred fourteen million, eight hundred four thousand, sixty-nine".