3867955 has 16 divisors (see below), whose sum is σ = 5713344. Its totient is φ = 2448000.

The previous prime is 3867947. The next prime is 3867961. The reversal of 3867955 is 5597683.

3867955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3867955 - 2³ = 3867947 is a prime.

It is a super-2 number, since 2×3867955² = 29922151764050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3796 + ... + 4705.

It is an arithmetic number, because the mean of its divisors is an integer number (357084).

Almost surely, 2^3867955 is an apocalyptic number.

3867955 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3867955 is a deficient number, since it is larger than the sum of its proper divisors (1845389).

3867955 is a wasteful number, since it uses less digits than its factorization.

3867955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8526.

The product of its digits is 226800, while the sum is 43.

The square root of 3867955 is about 1966.7117226477. The cubic root of 3867955 is about 156.9737876641.

The spelling of 3867955 in words is "three million, eight hundred sixty-seven thousand, nine hundred fifty-five".