3809240 has 16 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 1523680.

The previous prime is 3809189. The next prime is 3809251. The reversal of 3809240 is 429083.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 47576 + ... + 47655.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^3809240 is an apocalyptic number.

It is an amenable number.

3809240 is an abundant number, since it is smaller than the sum of its proper divisors (4761640).

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

3809240 is a wasteful number, since it uses less digits than its factorization.

3809240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95242 (or 95238 counting only the distinct ones).

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

The square root of 3809240 is about 1951.7274399875. The cubic root of 3809240 is about 156.1754545741.

The spelling of 3809240 in words is "three million, eight hundred nine thousand, two hundred forty".