2381804 has 6 divisors (see below), whose sum is σ = 4168164. Its totient is φ = 1190900.

The previous prime is 2381791. The next prime is 2381807. The reversal of 2381804 is 4081832.

It is not an unprimeable number, because it can be changed into a prime (2381807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297722 + ... + 297729.

It is an arithmetic number, because the mean of its divisors is an integer number (694694).

2^2381804 is an apocalyptic number.

It is an amenable number.

2381804 is a deficient number, since it is larger than the sum of its proper divisors (1786360).

2381804 is a wasteful number, since it uses less digits than its factorization.

2381804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595455 (or 595453 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2381804 is about 1543.3094310604. The cubic root of 2381804 is about 133.5473701170.

The spelling of 2381804 in words is "two million, three hundred eighty-one thousand, eight hundred four".