3995263 has 4 divisors (see below), whose sum is σ = 4205560. Its totient is φ = 3784968.

The previous prime is 3995231. The next prime is 3995269. The reversal of 3995263 is 3625993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3625993 = 7 ⋅517999.

It is a cyclic number.

It is not a de Polignac number, because 3995263 - 2⁵ = 3995231 is a prime.

It is a Duffinian number.

3995263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105120 + ... + 105157.

It is an arithmetic number, because the mean of its divisors is an integer number (1051390).

Almost surely, 2^3995263 is an apocalyptic number.

3995263 is a deficient number, since it is larger than the sum of its proper divisors (210297).

3995263 is a wasteful number, since it uses less digits than its factorization.

3995263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210296.

The product of its digits is 43740, while the sum is 37.

The square root of 3995263 is about 1998.8153991802. The cubic root of 3995263 is about 158.6774177879.

The spelling of 3995263 in words is "three million, nine hundred ninety-five thousand, two hundred sixty-three".