213726944 has 12 divisors (see below), whose sum is σ = 420774984. Its totient is φ = 106863456.

The previous prime is 213726943. The next prime is 213727021. The reversal of 213726944 is 449627312.

213726944 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213726898 and 213726907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213726943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3339452 + ... + 3339515.

It is an arithmetic number, because the mean of its divisors is an integer number (35064582).

Almost surely, 2^213726944 is an apocalyptic number.

It is an amenable number.

213726944 is a deficient number, since it is larger than the sum of its proper divisors (207048040).

213726944 is an equidigital number, since it uses as much as digits as its factorization.

213726944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678977 (or 6678969 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 213726944 is about 14619.4029973867. The cubic root of 213726944 is about 597.8878922441.

The spelling of 213726944 in words is "two hundred thirteen million, seven hundred twenty-six thousand, nine hundred forty-four".