213938333 has 16 divisors (see below), whose sum is σ = 248160000. Its totient is φ = 180652032.

The previous prime is 213938321. The next prime is 213938357. The reversal of 213938333 is 333839312.

It is a cyclic number.

It is not a de Polignac number, because 213938333 - 2⁶ = 213938269 is a prime.

It is a super-2 number, since 2×213938333² = 91539220653637778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213938293 and 213938302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213938363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151133 + ... + 152541.

It is an arithmetic number, because the mean of its divisors is an integer number (15510000).

Almost surely, 2^213938333 is an apocalyptic number.

It is an amenable number.

213938333 is a deficient number, since it is larger than the sum of its proper divisors (34221667).

213938333 is a wasteful number, since it uses less digits than its factorization.

213938333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its digits is 34992, while the sum is 35.

The square root of 213938333 is about 14626.6309517947. The cubic root of 213938333 is about 598.0849431728.

The spelling of 213938333 in words is "two hundred thirteen million, nine hundred thirty-eight thousand, three hundred thirty-three".