3905894 has 8 divisors (see below), whose sum is σ = 6060960. Its totient is φ = 1885576.

The previous prime is 3905879. The next prime is 3905911. The reversal of 3905894 is 4985093.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33614 + ... + 33729.

It is an arithmetic number, because the mean of its divisors is an integer number (757620).

Almost surely, 2^3905894 is an apocalyptic number.

3905894 is a deficient number, since it is larger than the sum of its proper divisors (2155066).

3905894 is a wasteful number, since it uses less digits than its factorization.

3905894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67374.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 3905894 is about 1976.3334738854. Note that the first 3 decimals coincide. The cubic root of 3905894 is about 157.4853467513.

The spelling of 3905894 in words is "three million, nine hundred five thousand, eight hundred ninety-four".