2904393 has 16 divisors (see below), whose sum is σ = 4017600. Its totient is φ = 1865280.

The previous prime is 2904353. The next prime is 2904403. The reversal of 2904393 is 3934092.

It is not a de Polignac number, because 2904393 - 2⁶ = 2904329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2904393.

It is not an unprimeable number, because it can be changed into a prime (2904313) 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, 10663 + ... + 10931.

It is an arithmetic number, because the mean of its divisors is an integer number (251100).

2^2904393 is an apocalyptic number.

It is an amenable number.

2904393 is a deficient number, since it is larger than the sum of its proper divisors (1113207).

2904393 is a wasteful number, since it uses less digits than its factorization.

2904393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 2904393 is about 1704.2279777072. The cubic root of 2904393 is about 142.6762853687.

The spelling of 2904393 in words is "two million, nine hundred four thousand, three hundred ninety-three".