2904263 has 16 divisors (see below), whose sum is σ = 3278880. Its totient is φ = 2558976.

The previous prime is 2904259. The next prime is 2904269. The reversal of 2904263 is 3624092.

It is not a de Polignac number, because 2904263 - 2² = 2904259 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 (2904269) 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, 21131 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (204930).

2^2904263 is an apocalyptic number.

2904263 is a deficient number, since it is larger than the sum of its proper divisors (374617).

2904263 is a wasteful number, since it uses less digits than its factorization.

2904263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2904263 is about 1704.1898368433. The cubic root of 2904263 is about 142.6741566171.

The spelling of 2904263 in words is "two million, nine hundred four thousand, two hundred sixty-three".