3994141 has 8 divisors (see below), whose sum is σ = 4229280. Its totient is φ = 3765552.

The previous prime is 3994121. The next prime is 3994147. The reversal of 3994141 is 1414993.

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

It is a cyclic number.

It is not a de Polignac number, because 3994141 - 2²¹ = 1896989 is a prime.

It is a Duffinian number.

3994141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994147) 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, 355 + ... + 2848.

It is an arithmetic number, because the mean of its divisors is an integer number (528660).

Almost surely, 2^3994141 is an apocalyptic number.

It is an amenable number.

3994141 is a deficient number, since it is larger than the sum of its proper divisors (235139).

3994141 is a wasteful number, since it uses less digits than its factorization.

3994141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275.

The product of its digits is 3888, while the sum is 31.

The square root of 3994141 is about 1998.5347132337. The cubic root of 3994141 is about 158.6625624679.

The spelling of 3994141 in words is "three million, nine hundred ninety-four thousand, one hundred forty-one".