213783349 has 16 divisors (see below), whose sum is σ = 234259200. Its totient is φ = 193910976.

The previous prime is 213783329. The next prime is 213783371. The reversal of 213783349 is 943387312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213783349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213783329) 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, 257467 + ... + 258295.

It is an arithmetic number, because the mean of its divisors is an integer number (14641200).

Almost surely, 2^213783349 is an apocalyptic number.

It is an amenable number.

213783349 is a deficient number, since it is larger than the sum of its proper divisors (20475851).

213783349 is a wasteful number, since it uses less digits than its factorization.

213783349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its digits is 108864, while the sum is 40.

The square root of 213783349 is about 14621.3319844671. The cubic root of 213783349 is about 597.9404841161.

The spelling of 213783349 in words is "two hundred thirteen million, seven hundred eighty-three thousand, three hundred forty-nine".