213267748 has 24 divisors (see below), whose sum is σ = 379225728. Its totient is φ = 104924736.

The previous prime is 213267727. The next prime is 213267781. The reversal of 213267748 is 847762312.

It is a self number, because there is not a number n which added to its sum of digits gives 213267748.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 216465 + ... + 217447.

It is an arithmetic number, because the mean of its divisors is an integer number (15801072).

Almost surely, 2^213267748 is an apocalyptic number.

It is an amenable number.

213267748 is a deficient number, since it is larger than the sum of its proper divisors (165957980).

213267748 is a wasteful number, since it uses less digits than its factorization.

213267748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1801 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 213267748 is about 14603.6895338130. The cubic root of 213267748 is about 597.4593944266.

The spelling of 213267748 in words is "two hundred thirteen million, two hundred sixty-seven thousand, seven hundred forty-eight".