214464644 has 6 divisors (see below), whose sum is σ = 375313134. Its totient is φ = 107232320.

The previous prime is 214464637. The next prime is 214464661. The reversal of 214464644 is 446464412.

It can be written as a sum of positive squares in only one way, i.e., 214271044 + 193600 = 14638^2 + 440^2 .

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 as a sum of consecutive naturals, namely, 26808077 + ... + 26808084.

It is an arithmetic number, because the mean of its divisors is an integer number (62552189).

Almost surely, 2^214464644 is an apocalyptic number.

It is an amenable number.

214464644 is a deficient number, since it is larger than the sum of its proper divisors (160848490).

214464644 is a wasteful number, since it uses less digits than its factorization.

214464644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53616165 (or 53616163 counting only the distinct ones).

The product of its digits is 73728, while the sum is 35.

The square root of 214464644 is about 14644.6114321958. The cubic root of 214464644 is about 598.5749923420.

The spelling of 214464644 in words is "two hundred fourteen million, four hundred sixty-four thousand, six hundred forty-four".