3965141 has 8 divisors (see below), whose sum is σ = 4160280. Its totient is φ = 3773952.

The previous prime is 3965123. The next prime is 3965147. The reversal of 3965141 is 1415693.

It can be written as a sum of positive squares in 4 ways, for example, as 64516 + 3900625 = 254^2 + 1975^2 .

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 3965141 - 2¹⁰ = 3964117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181 + ... + 3053.

It is an arithmetic number, because the mean of its divisors is an integer number (520035).

Almost surely, 2^3965141 is an apocalyptic number.

It is an amenable number.

3965141 is a deficient number, since it is larger than the sum of its proper divisors (195139).

3965141 is a wasteful number, since it uses less digits than its factorization.

3965141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975.

The product of its digits is 3240, while the sum is 29.

The square root of 3965141 is about 1991.2661800975. The cubic root of 3965141 is about 158.2776323614.

The spelling of 3965141 in words is "three million, nine hundred sixty-five thousand, one hundred forty-one".