3809144 has 8 divisors (see below), whose sum is σ = 7142160. Its totient is φ = 1904568.

The previous prime is 3809137. The next prime is 3809149. The reversal of 3809144 is 4419083.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3809149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238064 + ... + 238079.

It is an arithmetic number, because the mean of its divisors is an integer number (892770).

Almost surely, 2^3809144 is an apocalyptic number.

It is an amenable number.

3809144 is a deficient number, since it is larger than the sum of its proper divisors (3333016).

3809144 is a wasteful number, since it uses less digits than its factorization.

3809144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476149 (or 476145 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3809144 is about 1951.7028462345. The cubic root of 3809144 is about 156.1741425915.

The spelling of 3809144 in words is "three million, eight hundred nine thousand, one hundred forty-four".