2904213 has 16 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 1768704.

The previous prime is 2904211. The next prime is 2904217. The reversal of 2904213 is 3124092.

It is not a de Polignac number, because 2904213 - 2¹ = 2904211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2904213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2904211) 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, 4078 + ... + 4736.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

2^2904213 is an apocalyptic number.

It is an amenable number.

2904213 is a deficient number, since it is larger than the sum of its proper divisors (1309227).

2904213 is a wasteful number, since it uses less digits than its factorization.

2904213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2904213 is about 1704.1751670530. The cubic root of 2904213 is about 142.6733378496.

The spelling of 2904213 in words is "two million, nine hundred four thousand, two hundred thirteen".