2273904 has 30 divisors (see below), whose sum is σ = 6364176. Its totient is φ = 757920.

The previous prime is 2273867. The next prime is 2273911. The reversal of 2273904 is 4093722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7752 + ... + 8039.

2^2273904 is an apocalyptic number.

2273904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2273904 is an abundant number, since it is smaller than the sum of its proper divisors (4090272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2273904 is a wasteful number, since it uses less digits than its factorization.

2273904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805 (or 15796 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2273904 is about 1507.9469486690. The cubic root of 2273904 is about 131.4994819431.

The spelling of 2273904 in words is "two million, two hundred seventy-three thousand, nine hundred four".