2390804 has 24 divisors (see below), whose sum is σ = 4704000. Its totient is φ = 1054944.

The previous prime is 2390803. The next prime is 2390809. The reversal of 2390804 is 4080932.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197 + ... + 2195.

It is an arithmetic number, because the mean of its divisors is an integer number (196000).

2^2390804 is an apocalyptic number.

It is an amenable number.

2390804 is a deficient number, since it is larger than the sum of its proper divisors (2313196).

2390804 is a wasteful number, since it uses less digits than its factorization.

2390804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2390804 is about 1546.2224936923. Note that the first 3 decimals coincide. The cubic root of 2390804 is about 133.7153682135.

The spelling of 2390804 in words is "two million, three hundred ninety thousand, eight hundred four".