3854845 has 16 divisors (see below), whose sum is σ = 4837248. Its totient is φ = 2946240.

The previous prime is 3854843. The next prime is 3854897. The reversal of 3854845 is 5484583.

It is a happy number.

It is not a de Polignac number, because 3854845 - 2¹ = 3854843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3854843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12240 + ... + 12550.

It is an arithmetic number, because the mean of its divisors is an integer number (302328).

Almost surely, 2^3854845 is an apocalyptic number.

It is an amenable number.

3854845 is a deficient number, since it is larger than the sum of its proper divisors (982403).

3854845 is a wasteful number, since it uses less digits than its factorization.

3854845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its digits is 76800, while the sum is 37.

The square root of 3854845 is about 1963.3759191759. The cubic root of 3854845 is about 156.7962385647.

The spelling of 3854845 in words is "three million, eight hundred fifty-four thousand, eight hundred forty-five".