214738905 has 8 divisors (see below), whose sum is σ = 343582272. Its totient is φ = 114527408.

The previous prime is 214738889. The next prime is 214738907. The reversal of 214738905 is 509837412.

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

It is a cyclic number.

It is not a de Polignac number, because 214738905 - 2⁴ = 214738889 is a prime.

It is a super-2 number, since 2×214738905² = 92225594641198050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214738907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7157949 + ... + 7157978.

It is an arithmetic number, because the mean of its divisors is an integer number (42947784).

Almost surely, 2^214738905 is an apocalyptic number.

It is an amenable number.

214738905 is a deficient number, since it is larger than the sum of its proper divisors (128843367).

214738905 is a wasteful number, since it uses less digits than its factorization.

214738905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14315935.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 214738905 is about 14653.9723283484. The cubic root of 214738905 is about 598.8300395816.

The spelling of 214738905 in words is "two hundred fourteen million, seven hundred thirty-eight thousand, nine hundred five".