3856494 has 16 divisors (see below), whose sum is σ = 7786368. Its totient is φ = 1273272.

The previous prime is 3856477. The next prime is 3856499. The reversal of 3856494 is 4946583.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856499) 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 7 ways as a sum of consecutive naturals, for example, 2362 + ... + 3645.

It is an arithmetic number, because the mean of its divisors is an integer number (486648).

Almost surely, 2^3856494 is an apocalyptic number.

3856494 is an abundant number, since it is smaller than the sum of its proper divisors (3929874).

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

3856494 is a wasteful number, since it uses less digits than its factorization.

3856494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119.

The product of its digits is 103680, while the sum is 39.

The square root of 3856494 is about 1963.7958142332. The cubic root of 3856494 is about 156.8185931287.

The spelling of 3856494 in words is "three million, eight hundred fifty-six thousand, four hundred ninety-four".