214423729 has 16 divisors (see below), whose sum is σ = 237388032. Its totient is φ = 192440448.

The previous prime is 214423717. The next prime is 214423739. The reversal of 214423729 is 927324412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214423729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214423694 and 214423703.

It is not an unprimeable number, because it can be changed into a prime (214423739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98517 + ... + 100669.

It is an arithmetic number, because the mean of its divisors is an integer number (14836752).

Almost surely, 2^214423729 is an apocalyptic number.

It is an amenable number.

214423729 is a deficient number, since it is larger than the sum of its proper divisors (22964303).

214423729 is a wasteful number, since it uses less digits than its factorization.

214423729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376.

The product of its digits is 24192, while the sum is 34.

The square root of 214423729 is about 14643.2144353622. The cubic root of 214423729 is about 598.5369250676.

The spelling of 214423729 in words is "two hundred fourteen million, four hundred twenty-three thousand, seven hundred twenty-nine".