3934855 has 4 divisors (see below), whose sum is σ = 4721832. Its totient is φ = 3147880.

The previous prime is 3934849. The next prime is 3934867. The reversal of 3934855 is 5584393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5584393 = 181 ⋅30853.

It is not a de Polignac number, because 3934855 - 2⁵ = 3934823 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 393481 + ... + 393490.

It is an arithmetic number, because the mean of its divisors is an integer number (1180458).

Almost surely, 2^3934855 is an apocalyptic number.

3934855 is a deficient number, since it is larger than the sum of its proper divisors (786977).

3934855 is an equidigital number, since it uses as much as digits as its factorization.

3934855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786976.

The product of its digits is 64800, while the sum is 37.

The square root of 3934855 is about 1983.6468939809. The cubic root of 3934855 is about 157.8736237754.

The spelling of 3934855 in words is "three million, nine hundred thirty-four thousand, eight hundred fifty-five".