214509429 has 12 divisors (see below), whose sum is σ = 319842432. Its totient is φ = 138393000.

The previous prime is 214509401. The next prime is 214509437. The reversal of 214509429 is 924905412.

It is not a de Polignac number, because 214509429 - 2²⁵ = 180954997 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 214509393 and 214509402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214509439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384147 + ... + 384704.

It is an arithmetic number, because the mean of its divisors is an integer number (26653536).

Almost surely, 2^214509429 is an apocalyptic number.

It is an amenable number.

214509429 is a deficient number, since it is larger than the sum of its proper divisors (105333003).

214509429 is a wasteful number, since it uses less digits than its factorization.

214509429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768888 (or 768885 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 214509429 is about 14646.1404130918. The cubic root of 214509429 is about 598.6166547108.

The spelling of 214509429 in words is "two hundred fourteen million, five hundred nine thousand, four hundred twenty-nine".