214403929 has 2 divisors, whose sum is σ = 214403930. Its totient is φ = 214403928.

The previous prime is 214403927. The next prime is 214403939. The reversal of 214403929 is 929304412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208513600 + 5890329 = 14440^2 + 2427^2 .

It is a cyclic number.

It is not a de Polignac number, because 214403929 - 2¹ = 214403927 is a prime.

Together with 214403927, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 214403894 and 214403903.

It is not a weakly prime, because it can be changed into another prime (214403927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107201964 + 107201965.

It is an arithmetic number, because the mean of its divisors is an integer number (107201965).

Almost surely, 2^214403929 is an apocalyptic number.

It is an amenable number.

214403929 is a deficient number, since it is larger than the sum of its proper divisors (1).

214403929 is an equidigital number, since it uses as much as digits as its factorization.

214403929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 214403929 is about 14642.5383386898. The cubic root of 214403929 is about 598.5185014289.

The spelling of 214403929 in words is "two hundred fourteen million, four hundred three thousand, nine hundred twenty-nine".