3971854 has 8 divisors (see below), whose sum is σ = 5972400. Its totient is φ = 1981056.

The previous prime is 3971843. The next prime is 3971861. The reversal of 3971854 is 4581793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (746550).

Almost surely, 2^3971854 is an apocalyptic number.

3971854 is a deficient number, since it is larger than the sum of its proper divisors (2000546).

3971854 is a wasteful number, since it uses less digits than its factorization.

3971854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874.

The product of its digits is 30240, while the sum is 37.

The square root of 3971854 is about 1992.9510781753. The cubic root of 3971854 is about 158.3669035621.

The spelling of 3971854 in words is "three million, nine hundred seventy-one thousand, eight hundred fifty-four".