3805240 has 16 divisors (see below), whose sum is σ = 8561880. Its totient is φ = 1522080.

The previous prime is 3805237. The next prime is 3805253. The reversal of 3805240 is 425083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47526 + ... + 47605.

Almost surely, 2^3805240 is an apocalyptic number.

It is an amenable number.

3805240 is an abundant number, since it is smaller than the sum of its proper divisors (4756640).

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

3805240 is a wasteful number, since it uses less digits than its factorization.

3805240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95142 (or 95138 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3805240 is about 1950.7024375850. The cubic root of 3805240 is about 156.1207699469.

The spelling of 3805240 in words is "three million, eight hundred five thousand, two hundred forty".