3805140 has 24 divisors (see below), whose sum is σ = 10654560. Its totient is φ = 1014688.

The previous prime is 3805133. The next prime is 3805159. The reversal of 3805140 is 415083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31650 + ... + 31769.

It is an arithmetic number, because the mean of its divisors is an integer number (443940).

Almost surely, 2^3805140 is an apocalyptic number.

3805140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3805140 is an abundant number, since it is smaller than the sum of its proper divisors (6849420).

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

3805140 is a wasteful number, since it uses less digits than its factorization.

3805140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63431 (or 63429 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3805140 is about 1950.6768056241. The cubic root of 3805140 is about 156.1194023403.

The spelling of 3805140 in words is "three million, eight hundred five thousand, one hundred forty".