3995829 has 12 divisors (see below), whose sum is σ = 5881356. Its totient is φ = 2613312.

The previous prime is 3995791. The next prime is 3995837. The reversal of 3995829 is 9285993.

It can be written as a sum of positive squares in 2 ways, for example, as 1664100 + 2331729 = 1290^2 + 1527^2 .

It is not a de Polignac number, because 3995829 - 2¹⁶ = 3930293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995029) 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, 3712 + ... + 4665.

It is an arithmetic number, because the mean of its divisors is an integer number (490113).

Almost surely, 2^3995829 is an apocalyptic number.

It is an amenable number.

3995829 is a deficient number, since it is larger than the sum of its proper divisors (1885527).

3995829 is a wasteful number, since it uses less digits than its factorization.

3995829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8436 (or 8433 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 3995829 is about 1998.9569780263. The cubic root of 3995829 is about 158.6849105927.

The spelling of 3995829 in words is "three million, nine hundred ninety-five thousand, eight hundred twenty-nine".