214667947 has 32 divisors (see below), whose sum is σ = 262886400. Its totient is φ = 173238912.

The previous prime is 214667939. The next prime is 214668011. The reversal of 214667947 is 749766412.

It is a cyclic number.

It is not a de Polignac number, because 214667947 - 2³ = 214667939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214667897 and 214667906.

It is not an unprimeable number, because it can be changed into a prime (214667647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164098 + ... + 165400.

It is an arithmetic number, because the mean of its divisors is an integer number (8215200).

Almost surely, 2^214667947 is an apocalyptic number.

214667947 is a deficient number, since it is larger than the sum of its proper divisors (48218453).

214667947 is a wasteful number, since it uses less digits than its factorization.

214667947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387.

The product of its digits is 508032, while the sum is 46.

The square root of 214667947 is about 14651.5510100467. The cubic root of 214667947 is about 598.7640734834.

The spelling of 214667947 in words is "two hundred fourteen million, six hundred sixty-seven thousand, nine hundred forty-seven".