3918934 has 8 divisors (see below), whose sum is σ = 6015240. Its totient is φ = 1913856.

The previous prime is 3918923. The next prime is 3918949. The reversal of 3918934 is 4398193.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3918893 and 3918902.

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, 22699 + ... + 22870.

It is an arithmetic number, because the mean of its divisors is an integer number (751905).

Almost surely, 2^3918934 is an apocalyptic number.

3918934 is a deficient number, since it is larger than the sum of its proper divisors (2096306).

3918934 is a wasteful number, since it uses less digits than its factorization.

3918934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45614.

The product of its digits is 23328, while the sum is 37.

The square root of 3918934 is about 1979.6297633649. The cubic root of 3918934 is about 157.6604093444.

The spelling of 3918934 in words is "three million, nine hundred eighteen thousand, nine hundred thirty-four".