214409147 has 4 divisors (see below), whose sum is σ = 216097536. Its totient is φ = 212720760.

The previous prime is 214409089. The next prime is 214409149. The reversal of 214409147 is 741904412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214409147 - 2²⁰ = 213360571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214409149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844004 + ... + 844257.

It is an arithmetic number, because the mean of its divisors is an integer number (54024384).

Almost surely, 2^214409147 is an apocalyptic number.

214409147 is a deficient number, since it is larger than the sum of its proper divisors (1688389).

214409147 is a wasteful number, since it uses less digits than its factorization.

214409147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688388.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 214409147 is about 14642.7165170948. The cubic root of 214409147 is about 598.5233568191.

The spelling of 214409147 in words is "two hundred fourteen million, four hundred nine thousand, one hundred forty-seven".