214238643 has 8 divisors (see below), whose sum is σ = 291729408. Its totient is φ = 139786824.

The previous prime is 214238593. The next prime is 214238669. The reversal of 214238643 is 346832412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214238643 - 2¹² = 214234547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214238443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759571 + ... + 759852.

It is an arithmetic number, because the mean of its divisors is an integer number (36466176).

Almost surely, 2^214238643 is an apocalyptic number.

214238643 is a deficient number, since it is larger than the sum of its proper divisors (77490765).

214238643 is a wasteful number, since it uses less digits than its factorization.

214238643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519473.

The product of its digits is 27648, while the sum is 33.

The square root of 214238643 is about 14636.8932154334. The cubic root of 214238643 is about 598.3646607141.

The spelling of 214238643 in words is "two hundred fourteen million, two hundred thirty-eight thousand, six hundred forty-three".