2904255 has 40 divisors (see below), whose sum is σ = 5331744. Its totient is φ = 1512000.

The previous prime is 2904247. The next prime is 2904257. The reversal of 2904255 is 5524092.

It is not a de Polignac number, because 2904255 - 2³ = 2904247 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2904257) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28705 + ... + 28805.

2^2904255 is an apocalyptic number.

2904255 is a deficient number, since it is larger than the sum of its proper divisors (2427489).

2904255 is a wasteful number, since it uses less digits than its factorization.

2904255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2904255 is about 1704.1874896853. The cubic root of 2904255 is about 142.6740256149.

The spelling of 2904255 in words is "two million, nine hundred four thousand, two hundred fifty-five".