3968855 has 8 divisors (see below), whose sum is σ = 5195664. Its totient is φ = 2886400.

The previous prime is 3968827. The next prime is 3968863. The reversal of 3968855 is 5588693.

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

It is not a de Polignac number, because 3968855 - 2¹² = 3964759 is a prime.

It is a super-2 number, since 2×3968855² = 31503620022050, which contains 22 as substring.

It is a Duffinian number.

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, 36026 + ... + 36135.

It is an arithmetic number, because the mean of its divisors is an integer number (649458).

Almost surely, 2^3968855 is an apocalyptic number.

3968855 is a deficient number, since it is larger than the sum of its proper divisors (1226809).

3968855 is a wasteful number, since it uses less digits than its factorization.

3968855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72177.

The product of its digits is 259200, while the sum is 44.

The square root of 3968855 is about 1992.1985342832. The cubic root of 3968855 is about 158.3270345294.

The spelling of 3968855 in words is "three million, nine hundred sixty-eight thousand, eight hundred fifty-five".