214161947 has 6 divisors (see below), whose sum is σ = 223878732. Its totient is φ = 204850052.

The previous prime is 214161943. The next prime is 214161979. The reversal of 214161947 is 749161412.

It is not a de Polignac number, because 214161947 - 2² = 214161943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214161943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201893 + ... + 202950.

It is an arithmetic number, because the mean of its divisors is an integer number (37313122).

Almost surely, 2^214161947 is an apocalyptic number.

214161947 is a deficient number, since it is larger than the sum of its proper divisors (9716785).

214161947 is an equidigital number, since it uses as much as digits as its factorization.

214161947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404889 (or 404866 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 214161947 is about 14634.2730260167. The cubic root of 214161947 is about 598.2932486774.

The spelling of 214161947 in words is "two hundred fourteen million, one hundred sixty-one thousand, nine hundred forty-seven".