213654344 has 16 divisors (see below), whose sum is σ = 400878720. Its totient is φ = 106753360.

The previous prime is 213654341. The next prime is 213654349. The reversal of 213654344 is 443456312.

It is a self number, because there is not a number n which added to its sum of digits gives 213654344.

It is not an unprimeable number, because it can be changed into a prime (213654341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4229 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (25054920).

Almost surely, 2^213654344 is an apocalyptic number.

It is an amenable number.

213654344 is a deficient number, since it is larger than the sum of its proper divisors (187224376).

213654344 is a wasteful number, since it uses less digits than its factorization.

213654344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18460 (or 18456 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 213654344 is about 14616.9197849615. The cubic root of 213654344 is about 597.8201865757.

The spelling of 213654344 in words is "two hundred thirteen million, six hundred fifty-four thousand, three hundred forty-four".