3955895 has 8 divisors (see below), whose sum is σ = 4997040. Its totient is φ = 2998080.

The previous prime is 3955877. The next prime is 3955909. The reversal of 3955895 is 5985593.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3955895 - 2¹⁰ = 3954871 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20726 + ... + 20915.

It is an arithmetic number, because the mean of its divisors is an integer number (624630).

Almost surely, 2^3955895 is an apocalyptic number.

3955895 is a deficient number, since it is larger than the sum of its proper divisors (1041145).

3955895 is a wasteful number, since it uses less digits than its factorization.

3955895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41665.

The product of its digits is 243000, while the sum is 44.

The square root of 3955895 is about 1988.9431867200. The cubic root of 3955895 is about 158.1545115649.

The spelling of 3955895 in words is "three million, nine hundred fifty-five thousand, eight hundred ninety-five".