3966854 has 4 divisors (see below), whose sum is σ = 5950284. Its totient is φ = 1983426.

The previous prime is 3966817. The next prime is 3966857. The reversal of 3966854 is 4586693.

3966854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4586693 = 103 ⋅44531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991712 + ... + 991715.

It is an arithmetic number, because the mean of its divisors is an integer number (1487571).

Almost surely, 2^3966854 is an apocalyptic number.

3966854 is a deficient number, since it is larger than the sum of its proper divisors (1983430).

3966854 is a wasteful number, since it uses less digits than its factorization.

3966854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983429.

The product of its digits is 155520, while the sum is 41.

The square root of 3966854 is about 1991.6962619837. The cubic root of 3966854 is about 158.3004218452.

The spelling of 3966854 in words is "three million, nine hundred sixty-six thousand, eight hundred fifty-four".