214709284 has 12 divisors (see below), whose sum is σ = 376790400. Its totient is φ = 107054888.

The previous prime is 214709273. The next prime is 214709293. The reversal of 214709284 is 482907412.

It is a super-2 number, since 2×214709284² = 92200153271585312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73324 + ... + 76195.

It is an arithmetic number, because the mean of its divisors is an integer number (31399200).

Almost surely, 2^214709284 is an apocalyptic number.

It is an amenable number.

214709284 is a deficient number, since it is larger than the sum of its proper divisors (162081116).

214709284 is a wasteful number, since it uses less digits than its factorization.

214709284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149882 (or 149880 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 214709284 is about 14652.9616119063. The cubic root of 214709284 is about 598.8025041889.

The spelling of 214709284 in words is "two hundred fourteen million, seven hundred nine thousand, two hundred eighty-four".