213853712 has 20 divisors (see below), whose sum is σ = 417370236. Its totient is φ = 106145280.

The previous prime is 213853709. The next prime is 213853741. The reversal of 213853712 is 217358312.

It can be written as a sum of positive squares in 2 ways, for example, as 58003456 + 155850256 = 7616^2 + 12484^2 .

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 3 ways as a sum of consecutive naturals, for example, 46589 + ... + 50972.

Almost surely, 2^213853712 is an apocalyptic number.

It is an amenable number.

213853712 is a deficient number, since it is larger than the sum of its proper divisors (203516524).

213853712 is a wasteful number, since it uses less digits than its factorization.

213853712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97706 (or 97700 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 213853712 is about 14623.7379626414. The cubic root of 213853712 is about 598.0060774243.

The spelling of 213853712 in words is "two hundred thirteen million, eight hundred fifty-three thousand, seven hundred twelve".