4921213 has 8 divisors (see below), whose sum is σ = 5554080. Its totient is φ = 4319280.

The previous prime is 4921201. The next prime is 4921243. The reversal of 4921213 is 3121294.

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

It is a cyclic number.

It is not a de Polignac number, because 4921213 - 2⁵ = 4921181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921243) 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, 7395 + ... + 8032.

It is an arithmetic number, because the mean of its divisors is an integer number (694260).

Almost surely, 2^4921213 is an apocalyptic number.

It is an amenable number.

4921213 is a deficient number, since it is larger than the sum of its proper divisors (632867).

4921213 is a wasteful number, since it uses less digits than its factorization.

4921213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15467.

The product of its digits is 432, while the sum is 22.

The square root of 4921213 is about 2218.3807157474. The cubic root of 4921213 is about 170.0946762136.

The spelling of 4921213 in words is "four million, nine hundred twenty-one thousand, two hundred thirteen".