2293904 has 20 divisors (see below), whose sum is σ = 4468464. Its totient is φ = 1140768.

The previous prime is 2293901. The next prime is 2293919. The reversal of 2293904 is 4093922.

It is a super-2 number, since 2×2293904² = 10523991122432, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2293901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4679 + ... + 5145.

2^2293904 is an apocalyptic number.

It is an amenable number.

2293904 is a deficient number, since it is larger than the sum of its proper divisors (2174560).

2293904 is a wasteful number, since it uses less digits than its factorization.

2293904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2293904 is about 1514.5639636542. The cubic root of 2293904 is about 131.8838893254.

The spelling of 2293904 in words is "two million, two hundred ninety-three thousand, nine hundred four".