213084349 has 4 divisors (see below), whose sum is σ = 213228000. Its totient is φ = 212940700.

The previous prime is 213084343. The next prime is 213084353. The reversal of 213084349 is 943480312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213084349 - 2⁹ = 213083837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213084343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69577 + ... + 72574.

It is an arithmetic number, because the mean of its divisors is an integer number (53307000).

Almost surely, 2^213084349 is an apocalyptic number.

It is an amenable number.

213084349 is a deficient number, since it is larger than the sum of its proper divisors (143651).

213084349 is a wasteful number, since it uses less digits than its factorization.

213084349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143650.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 213084349 is about 14597.4089824188. The cubic root of 213084349 is about 597.2880841361.

The spelling of 213084349 in words is "two hundred thirteen million, eighty-four thousand, three hundred forty-nine".