3874005 has 48 divisors (see below), whose sum is σ = 7413120. Its totient is φ = 1862784.

The previous prime is 3873997. The next prime is 3874009. The reversal of 3874005 is 5004783.

It is not a de Polignac number, because 3874005 - 2³ = 3873997 is a prime.

It is a Curzon number.

3874005 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3874005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874009) 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 in 47 ways as a sum of consecutive naturals, for example, 19567 + ... + 19763.

It is an arithmetic number, because the mean of its divisors is an integer number (154440).

Almost surely, 2^3874005 is an apocalyptic number.

It is an amenable number.

3874005 is a deficient number, since it is larger than the sum of its proper divisors (3539115).

3874005 is a wasteful number, since it uses less digits than its factorization.

3874005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3874005 is about 1968.2492220245. The cubic root of 3874005 is about 157.0555877107.

Adding to 3874005 its reverse (5004783), we get a palindrome (8878788).

The spelling of 3874005 in words is "three million, eight hundred seventy-four thousand, five".