3995455 has 4 divisors (see below), whose sum is σ = 4794552. Its totient is φ = 3196360.

The previous prime is 3995449. The next prime is 3995461. The reversal of 3995455 is 5545993.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5545993 = 31 ⋅178903.

It is an interprime number because it is at equal distance from previous prime (3995449) and next prime (3995461).

It is not a de Polignac number, because 3995455 - 2³ = 3995447 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 399541 + ... + 399550.

It is an arithmetic number, because the mean of its divisors is an integer number (1198638).

Almost surely, 2^3995455 is an apocalyptic number.

3995455 is a deficient number, since it is larger than the sum of its proper divisors (799097).

3995455 is an equidigital number, since it uses as much as digits as its factorization.

3995455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799096.

The product of its digits is 121500, while the sum is 40.

The square root of 3995455 is about 1998.8634270505. The cubic root of 3995455 is about 158.6799595961.

The spelling of 3995455 in words is "three million, nine hundred ninety-five thousand, four hundred fifty-five".