214418644 has 12 divisors (see below), whose sum is σ = 409344768. Its totient is φ = 97463000.

The previous prime is 214418557. The next prime is 214418681. The reversal of 214418644 is 446814412.

214418644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436532 + ... + 2436619.

It is an arithmetic number, because the mean of its divisors is an integer number (34112064).

Almost surely, 2^214418644 is an apocalyptic number.

It is an amenable number.

214418644 is a deficient number, since it is larger than the sum of its proper divisors (194926124).

214418644 is a wasteful number, since it uses less digits than its factorization.

214418644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873166 (or 4873164 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 214418644 is about 14643.0408044231. The cubic root of 214418644 is about 598.5321936504.

The spelling of 214418644 in words is "two hundred fourteen million, four hundred eighteen thousand, six hundred forty-four".