2213949 has 8 divisors (see below), whose sum is σ = 2959360. Its totient is φ = 1472256.

The previous prime is 2213933. The next prime is 2213963. The reversal of 2213949 is 9493122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2213949 - 2⁴ = 2213933 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 (2215949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (369920).

2^2213949 is an apocalyptic number.

It is an amenable number.

2213949 is a deficient number, since it is larger than the sum of its proper divisors (745411).

2213949 is a wasteful number, since it uses less digits than its factorization.

2213949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its digits is 3888, while the sum is 30.

The square root of 2213949 is about 1487.9344743637. The cubic root of 2213949 is about 130.3334438041. Note that the first 3 decimals are identical.

The spelling of 2213949 in words is "two million, two hundred thirteen thousand, nine hundred forty-nine".