3965129 has 12 divisors (see below), whose sum is σ = 4856400. Its totient is φ = 3219048.

The previous prime is 3965123. The next prime is 3965147. The reversal of 3965129 is 9215693.

It is not a de Polignac number, because 3965129 - 2²⁰ = 2916553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3965123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1199 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (404700).

Almost surely, 2^3965129 is an apocalyptic number.

It is an amenable number.

3965129 is a deficient number, since it is larger than the sum of its proper divisors (891271).

3965129 is a wasteful number, since it uses less digits than its factorization.

3965129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292 (or 4285 counting only the distinct ones).

The product of its digits is 14580, while the sum is 35.

The square root of 3965129 is about 1991.2631669370. The cubic root of 3965129 is about 158.2774726921.

The spelling of 3965129 in words is "three million, nine hundred sixty-five thousand, one hundred twenty-nine".