3954986 has 12 divisors (see below), whose sum is σ = 6901218. Its totient is φ = 1694952.

The previous prime is 3954971. The next prime is 3954997. The reversal of 3954986 is 6894593.

3954986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3924361 + 30625 = 1981^2 + 175^2 .

It is a d-powerful number, because it can be written as 3¹¹ + 9² + 5 + 4⁴ + 9³ + 8⁷ + 6⁸ .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 20081 + ... + 20276.

Almost surely, 2^3954986 is an apocalyptic number.

3954986 is a deficient number, since it is larger than the sum of its proper divisors (2946232).

3954986 is a wasteful number, since it uses less digits than its factorization.

3954986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40373 (or 40366 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 3954986 is about 1988.7146602768. The cubic root of 3954986 is about 158.1423968632.

The spelling of 3954986 in words is "three million, nine hundred fifty-four thousand, nine hundred eighty-six".