2439804 has 12 divisors (see below), whose sum is σ = 5692904. Its totient is φ = 813264.

The previous prime is 2439803. The next prime is 2439839. The reversal of 2439804 is 4089342.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101647 + ... + 101670.

2^2439804 is an apocalyptic number.

It is an amenable number.

2439804 is an abundant number, since it is smaller than the sum of its proper divisors (3253100).

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

2439804 is a wasteful number, since it uses less digits than its factorization.

2439804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203324 (or 203322 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2439804 is about 1561.9871958502. The cubic root of 2439804 is about 134.6227051006.

The spelling of 2439804 in words is "two million, four hundred thirty-nine thousand, eight hundred four".