3873405 has 16 divisors (see below), whose sum is σ = 6286464. Its totient is φ = 2036160.

The previous prime is 3873391. The next prime is 3873413. The reversal of 3873405 is 5043783.

It is not a de Polignac number, because 3873405 - 2⁹ = 3872893 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (392904).

Almost surely, 2^3873405 is an apocalyptic number.

It is an amenable number.

3873405 is a deficient number, since it is larger than the sum of its proper divisors (2413059).

3873405 is a wasteful number, since it uses less digits than its factorization.

3873405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3873405 is about 1968.0967964000. The cubic root of 3873405 is about 157.0474791152.

It can be divided in two parts, 3873 and 405, that added together give a triangular number (4278 = T₉₂).

The spelling of 3873405 in words is "three million, eight hundred seventy-three thousand, four hundred five".