3978134 has 8 divisors (see below), whose sum is σ = 6068520. Its totient is φ = 1955296.

The previous prime is 3978113. The next prime is 3978167. The reversal of 3978134 is 4318793.

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

It is a junction number, because it is equal to n+sod(n) for n = 3978094 and 3978103.

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, 16739 + ... + 16974.

It is an arithmetic number, because the mean of its divisors is an integer number (758565).

Almost surely, 2^3978134 is an apocalyptic number.

3978134 is a deficient number, since it is larger than the sum of its proper divisors (2090386).

3978134 is a wasteful number, since it uses less digits than its factorization.

3978134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33774.

The product of its digits is 18144, while the sum is 35.

The square root of 3978134 is about 1994.5260088552. The cubic root of 3978134 is about 158.4503255985.

The spelling of 3978134 in words is "three million, nine hundred seventy-eight thousand, one hundred thirty-four".